{"id":95,"date":"2015-12-13T00:11:47","date_gmt":"2015-12-12T16:11:47","guid":{"rendered":"http:\/\/www.softeng.cn\/?p=95"},"modified":"2015-12-13T00:11:47","modified_gmt":"2015-12-12T16:11:47","slug":"cicodeigniter%e6%a1%86%e6%9e%b6%e5%85%a5%e9%97%a8%e6%95%99%e7%a8%8b-%e7%ac%ac%e5%9b%9b%e8%af%be-%e8%be%85%e5%8a%a9%e5%87%bd%e6%95%b0%e5%92%8c%e7%b1%bb%e5%ba%93%e7%9a%84%e4%bd%bf","status":"publish","type":"post","link":"https:\/\/www.softeng.cn\/?p=95","title":{"rendered":"CI(CodeIgniter)\u6846\u67b6\u5165\u95e8\u6559\u7a0b\u2014\u2014\u7b2c\u56db\u8bfe \u8f85\u52a9\u51fd\u6570\u548c\u7c7b\u5e93\u7684\u4f7f\u7528"},"content":{"rendered":"
\u6700\u8fd1\u8fd9\u6bb5\u65f6\u95f4\u56e0\u4e3a\u9879\u76ee\u6bd4\u8f83\u5fd9\uff0c\u6240\u4ee5\u4e00\u76f4\u6ca1\u6709\u66f4\u65b0\uff0c\u8fd8\u671b\u5927\u5bb6\u89c1\u8c05\u3002<\/div>\n
\u4e0b\u9762\u5f00\u59cb\u4eca\u5929\u7684\u6b63\u5f0f\u5185\u5bb9\uff0c\u4eca\u5929\u4e3b\u8981\u8bb2CI\u6846\u67b6\u4e2d\u8f85\u52a9\u51fd\u6570\u548c\u7c7b\u5e93\u7684\u4f7f\u7528\uff0c\u5728CI\u6846\u67b6\u4e2d\uff0c\u63d0\u4f9b\u4e86\u8bb8\u591a\u6709\u7528\u7684\u8f85\u52a9\u51fd\u6570\u548c\u7c7b\u5e93\uff0c\u901a\u8fc7\u8fd9\u4e9b\uff0c\u53ef\u4ee5\u4f7f\u7528\u7b80\u5355\u7684\u4ee3\u7801\u6784\u5efa\u6bd4\u8f83\u5b89\u5168\u7684\u7f51\u7ad9\uff0c\u4ece\u800c\u907f\u514d\u56e0\u81ea\u5df1\u4e66\u5199\u5e95\u5c42\u539f\u59cb\u4ee3\u7801\u6240\u9020\u6210\u7684\u9519\u8bef\u6216\u8005\u6f0f\u6d1e\uff0c\u4f60\u73b0\u5728\u9700\u8981\u505a\u7684\u5c31\u662f\u8c03\u7528API\uff0c\u586b\u5199\u53c2\u6570\uff0c\u7136\u540e\u5c31\u80fd\u591f\u5728\u7f51\u9875\u4e0a\u770b\u5230\u4f60\u60f3\u8981\u7684\u7ed3\u679c\u4e86\u3002<\/div>\n
\u5148\u4ece\u8f85\u52a9\u51fd\u6570\u8bb2\u8d77\uff0c\u5728CI\u6846\u67b6\u4e2d\uff0c\u63d0\u4f9b\u4e8620\u591a\u4e2a\u8f85\u52a9\u51fd\u6570\uff0c\u8fd9\u4e9b\u8f85\u52a9\u51fd\u6570\u5176\u672c\u8d28\u662f\u7c7b\uff0c\u53ea\u8981\u4f60\u5728\u4ee3\u7801\u4e2d\u8f7d\u5165\u4e86\u6240\u9700\u8981\u7684\u8f85\u52a9\u51fd\u6570\uff0c\u4f60\u5c31\u80fd\u591f\u901a\u8fc7\u8c03\u7528\u51fd\u6570\u7684\u65b9\u5f0f\u6765\u5b8c\u6210\u4f60\u7684\u529f\u80fd\uff0c\u73b0\u5728\u6211\u4ee5\u8868\u5355\u8f85\u52a9\u51fd\u6570\u4e3a\u4f8b\u8fdb\u884c\u8bb2\u89e3\uff0c\u5176\u4ed6\u8f85\u52a9\u51fd\u6570\u7684\u4f7f\u7528\u65b9\u6cd5\u4e5f\u662f\u5927\u540c\u5c0f\u6613\uff0c\u901a\u8fc7\u67e5\u8be2API\u5c31\u53ef\u4ee5\u77e5\u9053\u4e86\u3002<\/div>\n
<\/div>\n

<\/p>\n

\u9996\u5148\uff0c\u5148\u521b\u5efa\u540d\u79f0\u4e3aCI_04\u7684\u5e26\u6709CI\u6846\u67b6\u6e90\u4ee3\u7801\u7684\u5de5\u7a0b\uff0c\u5220\u9664\u9ed8\u8ba4\u7684\u63a7\u5236\u5668\u548c\u89c6\u56fe\uff0c\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\uff0c\u8fd9\u4e9b\u90fd\u5728\u4e4b\u524d\u7684\u8bfe\u7a0b\u91cc\u9762\u8bb2\u8fc7\uff0c\u5982\u679c\u4e0d\u4f1a\uff0c\u8bf7\u770b\u524d\u51e0\u8bfe\u3002\u6211\u4eec\u8fd9\u8282\u8bfe\u8981\u505a\u7684\u4ecd\u7136\u662f\u4e00\u4e2a\u8ba1\u7b97\u5668\uff0c\u4f46\u662f\u6211\u4eec\u901a\u8fc7\u4f7f\u7528\u8868\u5355\u8f85\u52a9\u51fd\u6570\u6765\u6784\u5efa\u6211\u4eec\u7684\u89c6\u56fe\uff0c\u800c\u63a7\u5236\u5668\u548c\u6a21\u578b\uff0c\u4ecd\u7136\u4f7f\u7528\u7b2c\u4e09\u8bfe\u7684\u4ee3\u7801\u3002\u524d\u9762\u63d0\u5230\uff0c\u8981\u60f3\u4f7f\u7528\u8f85\u52a9\u51fd\u6570\uff0c\u9996\u5148\u8981\u8f7d\u5165\u8f85\u52a9\u51fd\u6570\uff0c\u4e3a\u4e86\u4ee3\u7801\u7684\u6574\u6d01\u6027\uff0c\u6211\u4eec\u5728\u63a7\u5236\u5668\u4e2d\u8fdb\u884c\u8f7d\u5165\u52a8\u4f5c\uff0c\u5728Calculate\u63a7\u5236\u5668\u7684\u6784\u9020\u51fd\u6570\u4e2d\uff0c\u6dfb\u52a0\u8fd9\u6837\u4e00\u884c\u4ee3\u7801\uff1a<\/p>\n

$this->load->helper(‘form’);<\/p><\/blockquote>\n

\u7136\u540e\uff0c\u5c31\u53ef\u4ee5\u5728\u89c6\u56fe\u4e2d\uff0c\u8c03\u7528\u6211\u4eec\u7684\u8868\u5355\u8f85\u52a9\u51fd\u6570\uff0c\u6765\u5b8c\u6210\u6211\u4eec\u7684\u5de5\u4f5c\u4e86\u3002\u6211\u4eec\u8fd9\u91cc\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u548c\u7b2c\u4e09\u8bfe\u4e00\u6837\u7684\u8868\u5355\uff0c\u63a5\u4e0b\u6765\uff0c\u6765\u770b\u4e00\u4e0b\u6211\u4eec\u7684\u89c6\u56fe\u4ee3\u7801\u3002\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u8868\u5355\uff0c\u5e76\u4e3a\u5176\u6dfb\u52a0\u4e00\u4e9b\u5c5e\u6027\uff0c\u4ee3\u7801\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n

echo form_open(‘\/calculate\/count’, array(‘calss’=>’myform’, ‘id’=>’myform’));<\/p><\/blockquote>\n

\u5728form_open\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u7b2c\u4e00\u6b21\u53c2\u6570\u662f\u5fc5\u987b\u7684\uff0c\u4ed6\u8868\u793a\u8868\u5355\u8981\u63d0\u4ea4\u7684\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u5e73\u65f6\u5199\u8868\u5355\u7684\u65f6\u5019\u7684action\u5c5e\u6027\u7684\u503c\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u53ef\u9009\u53c2\u6570\uff0c\u4ed6\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u901a\u8fc7\u952e\u503c\u5bf9\u7684\u5f62\u5f0f\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u8868\u5355\u7684\u4e00\u4e9b\u5176\u4ed6\u5c5e\u6027\uff0c\u540c\u65f6\uff0c\u5728\u6700\u524d\u9762\u7684\u90a3\u4e2aecho\u5173\u952e\u5b57\u662f\u4e0d\u80fd\u5c11\u7684\uff0c\u5982\u679c\u5c11\u4e86\uff0c\u8fd9\u4e2a\u8868\u5355\u5c06\u663e\u793a\u4e0d\u51fa\u6765\uff01\u73b0\u5728\u8bbf\u95ee\u4e00\u4e0b\u8fd9\u4e2a\u9875\u9762\u5e76\u67e5\u770b\u7f51\u9875\u6e90\u4ee3\u7801\uff0c\u4f60\u4f1a\u53d1\u73b0\uff0c\u4f60\u6240\u5199\u7684PHP\u4ee3\u7801\u5df2\u7ecf\u88abCI\u6846\u67b6\u7ffb\u8bd1\u6210\u4e86HTML\u4ee3\u7801\uff0c\u4e0a\u9762\u8fd9\u6bb5\u4ee3\u7801\u5176\u5b9e\u5c31\u7b49\u540c\u4e8e\uff1a<\/p>\n

<form action=”http:\/\/localhost\/CI_04\/calculate\/count” method=”post” accept-charset=”utf-8″ calss=”myform” id=”myform”><\/form><\/p><\/blockquote>\n

\u8fd8\u662f\u5f88\u65b9\u4fbf\u7684\u5427\uff01\u7ee7\u7eed\u5199\u5427\uff0c\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u4e09\u4e2a\u8f93\u5165\u6846\uff0c\u4e00\u4e2a\u4e0b\u62c9\u5217\u8868\uff0c\u4e00\u4e2a\u6309\u94ae\uff0c\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

\/\/ \u521b\u5efa\u8f93\u5165\u6846<\/p>\n

echo form_input(array(‘name’=>’num1’, ‘id’=>’num1’));<\/p>\n

\/\/ \u521b\u5efa\u4e0b\u62c9\u5217\u8868<\/p>\n

values = array(‘add’ => ‘+’, ‘sub’=>’-‘, ‘mul’=>’x’, ‘div’=>’\u00f7’);<\/p>\n

echo form_dropdown(‘operate’,<\/span>values, ‘add’, ‘id=”operate” class=”operate”‘);<\/p>\n

\/\/ \u521b\u5efa\u8f93\u5165\u6846<\/p>\n

echo form_input(array(‘name’=>’num2’, ‘id’=>’num2’));<\/p>\n

echo “=”;<\/p>\n

\/\/ \u521b\u5efa\u8f93\u5165\u6846<\/p>\n

echo form_input(array(‘name’=>’result’, ‘id’=>’result’, ‘disabled’=>’disabled’));<\/p>\n

\/\/ \u521b\u5efa\u63d0\u4ea4\u6309\u94ae<\/p>\n

echo form_submit(‘mysubmit’, ‘\u8ba1\u7b97’, ‘id=”submit”‘);<\/p><\/blockquote>\n

\u8fd9\u91cc\u9700\u8981\u63d0\u4e00\u4e0b\uff0cform_input\u51fd\u6570\u662f\u7528\u6765\u4ea7\u751f\u8f93\u5165\u6846\u7684\uff0c\u4ed6\u6240\u6709\u7684\u5c5e\u6027\uff0c\u90fd\u53ef\u4ee5\u653e\u5728\u4e00\u4e2a\u6570\u7ec4\u91cc\u9762\u4e00\u8d77\u4f20\u5165\uff1bform_dropdown\u51fd\u6570\u662f\u7528\u6765\u521b\u5efa\u4e0b\u62c9\u5217\u8868\u7684\uff0c\u7b49\u540c\u4e8e<select >\u6807\u7b7e\uff0c\u4ed6\u7684\u7b2c\u4e00\u548c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u5fc5\u586b\u7684\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662fselect\u7684name\u5c5e\u6027\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u6570\u636e\u6e90\uff0c\u4e5f\u662f\u4e00\u4e2a\u952e\u503c\u5bf9\u5f62\u5f0f\u7684\u6570\u7ec4\uff0c\u6570\u7ec4\u91cc\u9762\u7684\u6bcf\u4e00\u4e2a\u952e\u503c\u5bf9\uff0c\u6700\u540e\u90fd\u4f1a\u88ab\u89e3\u6790\u4e3a\u4e00\u4e2a<option>\u6807\u7b7e\uff0c\u952e\u4e3avalue\u5c5e\u6027\uff0c\u503c\u4e3a\u663e\u793a\u5728\u9875\u9762\u4e0a\u7684\u5185\u5bb9\uff0c\u7b2c\u4e09\u548c\u7b2c\u56db\u4e2a\u53c2\u6570\u90fd\u662f\u53ef\u9009\u53c2\u6570\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\u7528\u6765\u6307\u5b9a\u9ed8\u8ba4\u9009\u62e9\u54ea\u4e2aoption\uff0c\u7b2c\u56db\u4e2a\u5c5e\u6027\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4e66\u5199select\u6807\u7b7e\u7684\u5176\u4ed6\u5c5e\u6027\uff1bform_submit\u51fd\u6570\u53ef\u4ee5\u521b\u5efasubmit\u6309\u94ae\uff0c\u540c\u6837\uff0c\u524d\u4e24\u4e2a\u53c2\u6570\u662f\u5fc5\u586b\u7684\uff0c\u5206\u522b\u5bf9\u5e94name\u5c5e\u6027\u548cvalue\u5c5e\u6027\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\u4e5f\u662f\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u8f93\u5165\u5176\u4ed6\u5c5e\u6027\u7684\u5185\u5bb9\uff0c\u8fd9\u6837\u5c31\u6784\u6210\u4e86\u4e00\u4e2a\u8868\u5355\u3002\u54e6\uff01\u5bf9\u4e86\uff0c\u4e3a\u4e86\u89c4\u8303\u8d77\u89c1\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u6700\u540e\u4e00\u6b65\uff0c\u90a3\u5c31\u662f\u5173\u95ed\u8868\u5355\uff1a<\/p>\n

echo form_close();<\/p><\/blockquote>\n

\u8fd9\u6837\uff0c\u4e00\u4e2a\u8868\u5355\u5c31\u521b\u5efa\u597d\u4e86\uff0c\u73b0\u5728\u4f60\u53ef\u4ee5\u6d4f\u89c8\u4e00\u4e0b\u9875\u9762\uff0c\u540c\u65f6\uff0c\u7528\u8c03\u8bd5\u5de5\u5177\u770b\u770b\u9875\u9762\u7684\u6e90\u4ee3\u7801\uff0c\u4f60\u4f1a\u5f88\u8f7b\u677e\u7684\u5c31\u80fd\u627e\u5230\u4ed6\u4eec\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u5f53\u7136\uff0c\u8868\u5355\u8f85\u52a9\u51fd\u6570\u8fd8\u6709\u5f88\u591a\u5185\u5bb9\uff0c\u4f46\u7528\u6cd5\u90fd\u662f\u4e00\u6837\u7684\uff0c\u5927\u5bb6\u53ef\u4ee5\u81ea\u5df1\u53bb\u5c1d\u8bd5\uff0c\u8fd9\u91cc\u4e0d\u505a\u8fc7\u591a\u8bb2\u89e3\u3002\u901a\u8fc7\u8868\u5355\u8f85\u52a9\u51fd\u6570\u521b\u5efa\u7684\u8868\u5355\uff0c\u548c\u81ea\u5df1\u7528html\u4ee3\u7801\u521b\u5efa\u7684\u8868\u5355\u662f\u5b8c\u5168\u4e00\u6837\u7684\uff0c\u5728\u8fd9\u91cc\uff0c\u4f60\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4e0a\u8282\u8bfe\u7684ajax\u4ee3\u7801\u64cd\u4f5c\u8fd9\u4e2a\u8868\u5355\uff0c\u5b8c\u6210\u5b8c\u5168\u4e00\u6837\u7684\u529f\u80fd\u548c\u6548\u679c\uff0c\u5927\u5bb6\u53ef\u4ee5\u81ea\u5df1\u8bd5\u8bd5\u3002\u81f3\u4e8e\u5176\u4ed6\u8f85\u52a9\u51fd\u6570\uff0c\u7528\u6cd5\u4e5f\u662f\u5927\u540c\u5c0f\u5f02\uff0c\u53ea\u8981\u4f60\u770b\u61c2\u4e86\u4e0a\u9762\u7684\u5185\u5bb9\uff0c\u5728API\u7684\u5e2e\u52a9\u4e0b\uff0c\u5b8c\u5168\u53ef\u4ee5\u8f7b\u677e\u7684\u4f7f\u7528\u5176\u4ed6\u7684\u7cfb\u7edf\u6240\u63d0\u4f9b\u8f85\u52a9\u51fd\u6570\u3002<\/p>\n

 <\/p>\n

\u8bb2\u4e86\u8868\u5355\u8f85\u52a9\u51fd\u6570\uff0c\u63a5\u4e0b\u6765\u8981\u6765\u770b\u770b\u4e00\u4e2a\u4e0e\u4e4b\u606f\u606f\u76f8\u5173\u7684\u7c7b\u5e93\uff0c\u90a3\u5c31\u662f\u8868\u5355\u9a8c\u8bc1\u7c7b\uff0c\u5728\u5f00\u59cb\u8bb2\u4e4b\u524d\u5148\u8981\u548c\u5927\u5bb6\u8bf4\u4e00\u4e0b\uff0c\u6839\u636e\u697c\u4e3b\u81ea\u5df1\u7684\u9879\u76ee\u7ecf\u9a8c\uff0c\u8868\u5355\u9a8c\u8bc1\u7c7b\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7528\u5230\u7684\u5f88\u5c11\uff0c\u66f4\u591a\u7684\u662f\u7528\u8868\u5355\u8f85\u52a9\u51fd\u6570\u914d\u5408\u4ee5ajax\u7684\u65b9\u5f0f\uff0c\u4f46\u662f\u4e3a\u4e86\u8bfe\u7a0b\u7684\u9700\u8981\uff0c\u6211\u5728\u8fd9\u91cc\u4ecd\u7136\u4ee5\u8868\u5355\u9a8c\u8bc1\u7c7b\u8fdb\u884c\u8bb2\u89e3\uff0c\u5176\u4ed6\u7684\u7c7b\u5e93\u4f7f\u7528\u65b9\u6cd5\u548c\u8be5\u7c7b\u662f\u4e00\u6837\u7684\u3002<\/p>\n

\u5728\u4f7f\u7528\u8868\u5355\u9a8c\u8bc1\u7c7b\u4e4b\u524d\uff0c\u9996\u5148\u8981\u52a0\u8f7d\u5b83\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5728Calculate\u63a7\u5236\u5668\u7684\u6784\u9020\u51fd\u6570\u4e2d\uff0c\u6dfb\u52a0\u8fd9\u6837\u4e00\u884c\u4ee3\u7801\uff1a<\/p>\n

$this->load->library(‘form_validation’);<\/p><\/blockquote>\n

\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u8bbe\u7f6e\u4e00\u4e0b\u6211\u4eec\u7684\u9a8c\u8bc1\u89c4\u5219\uff0c\u544a\u8bc9\u8868\u5355\u9a8c\u8bc1\u7c7b\u5e94\u8be5\u5982\u4f55\u9a8c\u8bc1\u6211\u4eec\u5728\u8868\u5355\u4e2d\u7684\u8f93\u5165\uff0c\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u7684\u9a8c\u8bc1\u89c4\u5219\u6bd4\u8f83\u7b80\u5355\uff0c\u5bf9\u4e8e\u4e24\u4e2a\u6587\u672c\u6846\u800c\u8a00\uff0c\u53ea\u8981\u8f93\u5165\u7684\u662f\u6570\u5b57\u5373\u53ef\uff0c\u5bf9\u4e8e\u4e2d\u95f4\u7684\u64cd\u4f5c\u7b26\u800c\u8a00\uff0c\u53ea\u8981\u6709\u8f93\u5165\u5373\u53ef\uff08\u867d\u7136\u5728\u9875\u9762\u4e0a\u770b\u8d77\u6765\u4ed6\u662f\u4e00\u5b9a\u4f1a\u6709\u8f93\u5165\u7684\uff0c\u4f46\u662f\u4e3a\u4e86\u5b89\u5168\uff0c\u6211\u4eec\u8fd8\u662f\u9700\u8981\u4e3a\u5176\u8bbe\u7f6e\u9a8c\u8bc1\u89c4\u5219\uff09\uff0c\u5177\u4f53\u4ee3\u7801\u5e94\u8be5\u5199\u5728\u63a5\u6536\u8868\u5355\u6570\u636e\u7684Calculate\u63a7\u5236\u5668\u7684count()\u65b9\u6cd5\u91cc\uff0c\u6211\u4eec\u5148\u6765\u8bbe\u7f6e\u6bd4\u8f83\u7b80\u5355\u7684\u64cd\u4f5c\u7b26\u7684\u9a8c\u8bc1\u89c4\u5219\uff1a<\/p>\n

$this->form_validation->set_rules(‘operate’, ‘\u64cd\u4f5c\u7b26’, ‘required’);<\/p><\/blockquote>\n

\u6211\u4eec\u901a\u8fc7\u8c03\u7528\u8868\u5355\u9a8c\u8bc1\u7c7b\u7684set_rules()\u65b9\u6cd5\u6765\u8bbe\u7f6e\u9a8c\u8bc1\u89c4\u5219\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u6240\u8981\u9a8c\u8bc1\u7684\u8868\u5355\u57df\u7684\u540d\u5b57\uff0c\u56e0\u4e3a\u5728\u4e4b\u524d\u7528\u8868\u5355\u8f85\u52a9\u51fd\u6570\u521b\u5efa\u8868\u5355\u65f6\uff0c\u6211\u4eec\u7ed9\u64cd\u4f5c\u7b26\u4e0b\u62c9\u5217\u8868\u7684\u540d\u5b57\u5c31\u662foperate\uff0c\u6240\u4ee5\u586b\u5728\u8fd9\u91cc\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u4f1a\u51fa\u73b0\u5728\u9519\u8bef\u63d0\u793a\u4e2d\u7684\u4fe1\u606f\uff0c\u4e5f\u5c31\u662f\u8868\u5355\u57df\u7684\u522b\u540d\uff0c\u8fd9\u91cc\u4f60\u53ef\u4ee5\u968f\u4fbf\u8d77\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u9a8c\u8bc1\u89c4\u5219\uff0c\u8fd9\u91cc\u7684required\u8868\u793a\u4e0d\u80fd\u4e3a\u7a7a\u3002<\/p>\n

\u90a3\u4e48\uff0c\u5bf9\u4e8e\u4e24\u4e2a\u64cd\u4f5c\u6570\u800c\u8a00\uff0c\u5c31\u8981\u505a\u5230\u65e2\u4e0d\u80fd\u4e3a\u7a7a\uff0c\u540c\u65f6\u53c8\u5fc5\u987b\u662f\u6570\u5b57\u4e86\uff0c\u8fd9\u8be5\u600e\u4e48\u5199\u5462\uff1f\u8fd9\u91cc\u5c31\u7528\u5230\u4e86\u7ea7\u8054\u89c4\u5219\uff0c\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

$this->form_validation->set_rules(‘num1’, ‘\u64cd\u4f5c\u65701’, ‘required|numeric’);<\/p>\n

$this->form_validation->set_rules(‘num2’, ‘\u64cd\u4f5c\u65702’, ‘required|numeric’);<\/p><\/blockquote>\n

\u53ef\u4ee5\u770b\u51fa\u6765\uff0c\u8bbe\u7f6e\u7ea7\u8054\u89c4\u5219\u548c\u4e4b\u524d\u7684\u552f\u4e00\u4e0d\u540c\u5c31\u662f\u7b2c\u4e09\u4e2a\u53c2\u6570\uff0c\u901a\u8fc7\u6309\u4f4d\u6216\u8fd0\u7b97\u7b26\u201c|\u201d\uff0c\u53ef\u4ee5\u5c06\u4e0d\u540c\u7684\u89c4\u5219\u8bbe\u7f6e\u5728\u4e00\u8d77\u3002\u81f3\u4e8e\u8fd9\u4e9b\u89c4\u5219\u5e94\u8be5\u600e\u6837\u5199\uff0c\u53eb\u4ec0\u4e48\u540d\u5b57\uff0c\u5728CI\u6846\u67b6\u7684\u5e2e\u52a9\u624b\u518c\u4e2d\u5df2\u7ecf\u63d0\u5230\u4e86\uff0c\u5927\u5bb6\u53ef\u4ee5\u81ea\u5df1\u53bb\u770b\u4e00\u4e0b\u3002<\/p>\n

\u73b0\u5728\uff0c\u8003\u8651\u53e6\u5916\u4e00\u4e2a\u95ee\u9898\uff0c\u7528\u6237\u6709\u53ef\u80fd\u4f1a\u5728\u8f93\u5165\u7684\u65f6\u5019\uff0c\u5728\u6570\u5b57\u7684\u524d\u9762\u6216\u8005\u540e\u9762\u8f93\u5165\u7a7a\u683c\uff0c\u5982\u679c\u662f\u8fd9\u6837\u7684\u8bdd\uff0c\u76f4\u63a5\u7528\u6765\u8ba1\u7b97\u5c31\u4f1a\u51fa\u9519\uff0c\u6ca1\u9519\uff0c\u8fd9\u91cc\u53ef\u4ee5\u4f7f\u7528trim()\u51fd\u6570\u6765\u53bb\u9664\u7a7a\u683c\uff0c\u4e0d\u8fc7\u8868\u5355\u9a8c\u8bc1\u7c7b\u5df2\u7ecf\u63d0\u4f9b\u4e86\u8fd9\u4e9b\uff0c\u4e0d\u9700\u8981\u4f60\u81ea\u5df1\u6765\u505a\uff0c\u53ef\u4ee5\u901a\u8fc7\u9884\u5904\u7406\u6570\u636e\u6765\u5b9e\u73b0\uff0c\u800c\u9884\u5904\u7406\u7684\u65b9\u5f0f\uff0c\u5176\u5b9e\u5c31\u662f\u8bbe\u7f6e\u9a8c\u8bc1\u89c4\u5219\u7684\u65b9\u5f0f\uff0c\u5177\u4f53\u5199\u6cd5\u5982\u4e0b\uff1a<\/p>\n

$this->form_validation->set_rules(‘num1’, ‘\u64cd\u4f5c\u65701’, ‘trim|required|numeric’);<\/p>\n

$this->form_validation->set_rules(‘num2’, ‘\u64cd\u4f5c\u65702’, ‘trim|required|numeric’);<\/p><\/blockquote>\n

\u7136\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u542f\u7528\u6211\u4eec\u4e0a\u9762\u8bbe\u7f6e\u7684\u9a8c\u8bc1\u89c4\u5219\uff0c\u68c0\u6d4b\u7528\u6237\u63d0\u4ea4\u7684\u6570\u636e\u662f\u5426\u7b26\u5408\u8981\u6c42\uff0c\u5982\u679c\u7b26\u5408\u89c4\u5219\uff0c\u5219\u8fdb\u884c\u8ba1\u7b97\uff0c\u5177\u4f53\u5199\u6cd5\u5982\u4e0b\uff1a<\/p>\n

if (this->form_validation->run() == TRUE) {<\/p>\n

\/\/ \u5982\u679c\u80fd\u591f\u901a\u8fc7\u9a8c\u8bc1\u89c4\u5219\uff0c\u5219\u8fdb\u884c\u8ba1\u7b97<\/span>result = this->calculate_model->count(<\/span>num1, num2,<\/span>op);<\/p>\n

}else {<\/p>\n

\/\/ \u4e0d\u80fd\u901a\u8fc7\u9a8c\u8bc1\u89c4\u5219\uff0c\u65e0\u6cd5\u8fdb\u884c\u8ba1\u7b97\uff0c\u8df3\u4f1a\u539f\u9875\u9762\uff0c\u8ba9\u7528\u6237\u91cd\u65b0\u586b\u5199\u6570\u636e<\/p>\n

$this->load->view(‘calculate_view’);<\/p>\n

}<\/p><\/blockquote>\n

\u5728\u8fd9\u91cc\u6211\u4eec\u4f1a\u9047\u5230\u4e00\u4e2a\u95ee\u9898\uff0c\u90a3\u5c31\u662f\u5982\u679c\u8f93\u5165\u7684\u6570\u636e\u6ca1\u6709\u901a\u8fc7\u9a8c\u8bc1\u5462\uff1fCI\u7684\u8868\u5355\u9a8c\u8bc1\u7c7b\u8fd8\u662f\u505a\u7684\u5f88\u4e0d\u9519\u7684\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e2a\u201c\u91cd\u65b0\u586b\u5145\u8868\u5355\u201d\u548c\u201c\u8bbe\u7f6e\u9519\u8bef\u4fe1\u606f\u201d\u7684\u529f\u80fd\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u770b\u4e00\u4e0b\u600e\u6837\u4f7f\u7528\u8fd9\u4e24\u4e2a\u529f\u80fd\u3002<\/p>\n

\u9996\u5148\u8bf4\u201c\u91cd\u65b0\u586b\u5145\u8868\u5355\u201d\u7684\u529f\u80fd\uff0c\u5982\u679c\u8bf4\u7528\u6237\u4e0d\u5c0f\u5fc3\u586b\u9519\u4e86\u4e00\u4f4d\uff0c\u70b9\u51fb\u63d0\u4ea4\u4e4b\u540e\uff0c\u9a8c\u8bc1\u5931\u8d25\uff0c\u9875\u9762\u8df3\u8f6c\u56de\u53bb\u4e4b\u540e\uff0c\u4e4b\u524d\u6240\u586b\u5199\u7684\u6570\u636e\u90fd\u6ca1\u6709\u4e86\uff0c\u8fd9\u6837\u7684\u7528\u6237\u4f53\u9a8c\u662f\u975e\u5e38\u7cdf\u7cd5\u7684\uff0c\u5982\u679c\u6211\u4eec\u53ef\u4ee5\u5728\u8df3\u8f6c\u56de\u53bb\u7684\u540c\u65f6\uff0c\u5c06\u7528\u6237\u586b\u5199\u8fc7\u7684\u6570\u636e\u4e5f\u80fd\u586b\u5145\u56de\u5230\u539f\u6765\u7684\u4f4d\u7f6e\u4e0a\uff0c\u7528\u6237\u53ea\u9700\u8981\u6839\u636e\u63d0\u793a\u4fe1\u606f\u4fee\u6539\u5bf9\u5e94\u7684\u5185\u5bb9\uff0c\u8fd9\u6837\u5bf9\u4e8e\u7528\u6237\u6765\u8bf4\u662f\u4e00\u79cd\u6bd4\u8f83\u53cb\u597d\u7684\u65b9\u5f0f\uff0c\u5982\u679c\u8981\u60f3\u5b9e\u73b0\u8fd9\u6837\u7684\u6548\u679c\uff0c\u6211\u4eec\u9700\u8981\u7528\u5230CI\u6846\u67b6\u63d0\u4f9b\u7684\u4e00\u4e2a\u8f85\u52a9\u51fd\u6570\uff1a<\/p>\n

set_value(‘field name’)<\/p><\/blockquote>\n

\u901a\u8fc7\u8fd9\u4e2a\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u4e0a\u9762\u6240\u8bf4\u7684\u529f\u80fd\uff0c\u8fd9\u4e2a\u51fd\u6570\u9700\u8981\u5728view\u91cc\u9762\u4f7f\u7528\uff0c\u524d\u9762\u8bb2\u8868\u5355\u8f85\u52a9\u51fd\u6570\u7684\u65f6\u5019\u63d0\u8fc7\uff0c\u51fd\u6570\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u8868\u5355\u9879\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0c\u6211\u4eec\u5c31\u662f\u901a\u8fc7\u8fd9\u4e2a\u673a\u5236\uff0c\u6765\u5b9e\u73b0\u91cd\u65b0\u586b\u5145\u8868\u5355\u7684\uff0c\u5177\u4f53\u5199\u6cd5\u5982\u4e0b\uff1a<\/p>\n

<?php<\/p>\n

\/\/ \u521b\u5efa\u8868\u5355<\/p>\n

echo form_open(‘\/calculate\/count’, array(‘calss’=>’myform’, ‘id’=>’myform’));<\/p>\n

\/\/ \u521b\u5efa\u8f93\u5165\u6846<\/p>\n

echo form_input(array(‘name’=>’num1’, ‘id’=>’num1’, ‘value’=>set_value(‘num1’)));<\/p>\n

\/\/ \u521b\u5efa\u4e0b\u62c9\u5217\u8868<\/p>\n

values = array(‘add’ => ‘+’, ‘sub’=>’-‘, ‘mul’=>’x’, ‘div’=>’\u00f7’);<\/p>\n

echo form_dropdown(‘operate’,<\/span>values, set_value(‘operate’), ‘id=”operate” class=”operate”‘);<\/p>\n

\/\/ \u521b\u5efa\u8f93\u5165\u6846<\/p>\n

echo form_input(array(‘name’=>’num2’, ‘id’=>’num2’, ‘value’=>set_value(‘num2’)));<\/p>\n

echo “=”;<\/p>\n

\/\/ \u521b\u5efa\u8f93\u5165\u6846<\/p>\n

echo form_input(array(‘name’=>’result’, ‘id’=>’result’, ‘disabled’=>’disabled’));<\/p>\n

\/\/ \u521b\u5efa\u63d0\u4ea4\u6309\u94ae<\/p>\n

echo form_submit(‘mysubmit’, ‘\u8ba1\u7b97’, ‘id=”submit”‘);<\/p>\n

\/\/ \u5173\u95ed\u8868\u5355<\/p>\n

echo form_close();<\/p>\n

?><\/p><\/blockquote>\n

\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u8bbf\u95ee\u4e00\u4e0bhttp:\/\/localhost\/CI_04\/<\/a>\uff0c\u7136\u540e\u6545\u610f\u586b\u5199\u4e00\u4e9b\u975e\u6cd5\u7684\u6570\u636e\u770b\u4e00\u4e0b\uff0c\u4f60\u4f1a\u53d1\u73b0\u63d0\u4ea4\u4e4b\u540e\uff0c\u9875\u9762\u9a6c\u4e0a\u4f1a\u8df3\u8f6c\u56de\u6765\uff0c\u4f46\u662f\u4f60\u5728\u8868\u5355\u4e2d\u586b\u5199\u7684\u6570\u636e\u4ecd\u7136\u8fd8\u5728\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u8981\u8bf4\u4e00\u4e0b\u201c\u8bbe\u7f6e\u9519\u8bef\u4fe1\u606f\u201d\u8fd9\u4e2a\u529f\u80fd\uff0c\u8868\u5355\u9a8c\u8bc1\u7c7b\u7684\u4e3b\u8981\u529f\u80fd\u662f\u9a8c\u8bc1\u7528\u6237\u901a\u8fc7\u8868\u5355\u63d0\u4ea4\u7684\u6570\u636e\u662f\u5426\u5408\u6cd5\uff0c\u6211\u4eec\u73b0\u5728\u6240\u5199\u7684\u4ee3\u7801\uff0c\u867d\u7136\u5df2\u7ecf\u5b9e\u73b0\u4e86\u8fd9\u4e2a\u529f\u80fd\uff0c\u4f46\u662f\u5e76\u6ca1\u6709\u63d0\u793a\u7528\u6237\u63d0\u4ea4\u7684\u6570\u636e\u5230\u5e95\u54ea\u91cc\u4e0d\u5408\u6cd5\u4e86\uff0c\u8fd9\u6837\u7684\u6548\u679c\u4e5f\u662f\u975e\u5e38\u4e0d\u53cb\u597d\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u4e0d\u4ec5\u8981\u9a8c\u8bc1\u8f93\u5165\uff0c\u8fd8\u8981\u5728\u8f93\u5165\u4e0d\u5408\u6cd5\u7684\u65f6\u5019\u63d0\u793a\u7528\u6237\u3002\u8bbe\u7f6e\u9519\u8bef\u4fe1\u606f\u4e3b\u8981\u7528\u7684\u51fd\u6570\u662f\uff1a<\/p>\n

$this->form_validation->set_message(‘rule’, ‘Error Message’);<\/p><\/blockquote>\n

\u548c<\/p>\n

form_error(‘ field name’);<\/p><\/blockquote>\n

\u4e24\u4e2a\u51fd\u6570\uff0c\u8fd9\u4e24\u4e2a\u51fd\u6570\u4e00\u4e2a\u7528\u5728controller\u91cc\uff0c\u4e00\u4e2a\u7528\u5728view\u91cc\u3002\u5728\u8fd9\u91cc\u8981\u8bf4\u660e\u4e00\u4e0b\uff0c\u5176\u5b9eCI\u672c\u8eab\u662f\u63d0\u4f9b\u4e86\u9519\u8bef\u4fe1\u606f\u7684\uff0c\u4f46\u662fCI\u7684\u9519\u8bef\u4fe1\u606f\u9ed8\u8ba4\u662f\u82f1\u6587\u7684\uff0c\u5982\u679c\u4f60\u8ba4\u4e3aCI\u7684\u9519\u8bef\u4fe1\u606f\u53ef\u4ee5\u6ee1\u8db3\u4f60\u7684\u529f\u80fd\u9700\u6c42\uff0c\u4e5f\u53ef\u4ee5\u4ec5\u5728view\u7684\u5bf9\u5e94\u4f4d\u7f6e\u4f7f\u7528\u7b2c\u4e8c\u4e2a\u51fd\u6570\u5373\u53ef\u3002<\/p>\n

\u73b0\u5728\u8bf4\u4e00\u4e0b\u8fd9\u4e24\u4e2a\u51fd\u6570\u600e\u4e48\u4f7f\u7528\uff0c\u9996\u5148\u8bf4\u7b2c\u4e00\u4e2a\u51fd\u6570\uff0c\u7b2c\u4e00\u4e2a\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u9a8c\u8bc1\u89c4\u5219\u7684\u540d\u5b57\uff0c\u4f8b\u5982\uff1arequired\u3001matches\u7b49\u7b49\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u5f53\u4e0d\u7b26\u5408\u8be5\u9a8c\u8bc1\u89c4\u5219\u65f6\uff0c\u6240\u8981\u663e\u793a\u7684\u9519\u8bef\u4fe1\u606f\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u7528\u5728view\u91cc\uff0c\u5176\u53c2\u6570\u662f\u8868\u5355\u9879\u7684name\uff0c\u8fd9\u6837\u624d\u597d\u533a\u5206\u5230\u5e95\u662f\u54ea\u4e2a\u6570\u636e\u4e0d\u7b26\u5408\u9a8c\u8bc1\u89c4\u5219\uff0c\u73b0\u5728\u5c31\u6765\u5177\u4f53\u5b9e\u8df5\u4e00\u4e0b\uff0c\u9996\u5148\u8981\u5728controller\u91cc\u8bbe\u7f6e\u9519\u8bef\u4fe1\u606f\uff0c\u8fd9\u4e2a\u9519\u8bef\u4fe1\u606f\u4e00\u822c\u5199\u5728\u8bbe\u7f6e\u9a8c\u8bc1\u89c4\u5219\u7684\u4ee3\u7801\u4e4b\u540e\uff0c\u5177\u4f53\u5199\u6cd5\u5982\u4e0b\uff1a<\/p>\n

$this->form_validation->set_message(‘required’, ‘%s\u4e0d\u80fd\u4e3a\u7a7a’);<\/p>\n

$this->form_validation->set_message(‘numeric’, ‘%s\u5fc5\u987b\u4e3a\u6570\u5b57’);<\/p><\/blockquote>\n

\u4e0a\u9762\u7b2c\u4e8c\u4e2a\u53c2\u6570\u91cc\u9762\u5305\u542b\u4e86\u4e00\u4e2a%s\uff0c\u8fd9\u662f\u4e00\u4e2a\u5360\u4f4d\u7b26\uff0c\u8fd9\u6837\u5199\u7684\u8bdd\uff0cCI\u4f1a\u81ea\u52a8\u7528\u8868\u5355\u57df\u4e2d\u8bbe\u7f6e\u7684\u522b\u540d\u6765\u586b\u5145\u8fd9\u4e2a\u5360\u4f4d\u7b26\uff0c\u5728view\u7aef\u663e\u793a\u7684\u65f6\u5019\uff0c\u5c31\u53ef\u4ee5\u6e05\u695a\u7684\u770b\u5230\u5230\u5e95\u662f\u54ea\u4e2a\u8868\u5355\u57df\u51fa\u4e86\u95ee\u9898\u3002<\/p>\n

\u7136\u540e\u6765\u770b\u5728view\u7aef\u7684\u4ee3\u7801\uff0c\u7531\u4e8e\u6211\u7684\u5e03\u5c40\u9650\u5236\uff0c\u6240\u4ee5\u6211\u5c06\u6240\u6709\u7684\u9519\u8bef\u4fe1\u606f\u7edf\u4e00\u663e\u793a\u5728\u8868\u5355\u7684\u4e0a\u9762\uff0c\u5728\u5177\u4f53\u9879\u76ee\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9875\u9762\u5e03\u5c40\uff0c\u6765\u51b3\u5b9a\u9519\u8bef\u4fe1\u606f\u663e\u793a\u7684\u5177\u4f53\u4f4d\u7f6e\uff0c\u5177\u4f53\u5199\u6cd5\u5982\u4e0b\uff1a<\/p>\n

<?php<\/p>\n

echo form_error(‘num1’).”<br \/>”;<\/p>\n

echo form_error(‘operate’).”<br \/>”;<\/p>\n

echo form_error(‘num2’).”<br \/>”;<\/p>\n

?><\/p><\/blockquote>\n

\u81f3\u6b64\uff0c\u8868\u5355\u9a8c\u8bc1\u7684\u4e3b\u8981\u5185\u5bb9\u5c31\u5df2\u7ecf\u8bb2\u5b8c\u4e86\uff0c\u800c\u4e14\u6211\u4eec\u76ee\u524d\u6240\u5199\u7684\u4ee3\u7801\uff0c\u4e5f\u80fd\u591f\u5b8c\u6210\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u7684\u8868\u5355\u9a8c\u8bc1\u548c\u6570\u636e\u56de\u586b\u7684\u529f\u80fd\uff0c\u4f46\u662f\u8fd8\u8bf7\u5927\u5bb6\u601d\u8003\u4e00\u4e2a\u95ee\u9898\uff0c\u5728\u4e0a\u4e00\u8282\u4e2d\uff0c\u6211\u4eec\u662f\u901a\u8fc7ajax\u65b9\u5f0f\u5c06\u8ba1\u7b97\u7ed3\u679c\u586b\u5728\u8868\u5355\u9875\u9762\u7684\uff0c\u90a3\u8fd9\u8282\u8bfe\u6211\u4eec\u7684\u8ba1\u7b97\u7ed3\u679c\u5982\u4f55\u663e\u793a\u5462\uff1f\u65e2\u7136\u901a\u8fc7\u524d\u4e09\u8282\u8bfe\u7684\u8bb2\u89e3\u6211\u4eec\u5df2\u7ecf\u5c06\u663e\u793a\u7ed3\u679c\u7684\u9875\u9762\u548c\u586b\u5199\u6570\u636e\u7684\u9875\u9762\u5408\u5e76\u5728\u4e00\u8d77\u4e86\uff0c\u90a3\u4e48\u6211\u4e2a\u4eba\u8ba4\u4e3a\u8fd8\u662f\u4e0d\u8981\u518d\u5355\u72ec\u589e\u52a0\u4e00\u4e2a\u754c\u9762\u7528\u6765\u663e\u793a\u7ed3\u679c\u4e86\uff0c\u90a3\u4e0b\u9762\u6211\u4eec\u5c31\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n

\u5728\u4e4b\u524d\u7684\u8bfe\u7a0b\u4e2d\uff0c\u6211\u4eec\u8bb2\u8fc7\u53ef\u4ee5\u901a\u8fc7controller\u7ed9view\u4f20\u53c2\uff0c\u90a3\u4e48\u540c\u7406\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u8ba1\u7b97\u7ed3\u679c\u4f20\u56de\u7ed9view\uff0c\u7136\u540e\u663e\u793a\u5728\u5bf9\u5e94\u7684\u8868\u5355\u57df\u4e2d\uff0c\u8fd9\u91cc\u6211\u4eec\u552f\u4e00\u9700\u8981\u6ce8\u610f\u7684\u4e00\u70b9\u5c31\u662f\uff0c\u5728\u7b2c\u4e00\u6b21\u6253\u5f00\u754c\u9762\u7684\u65f6\u5019\uff0c\u5e76\u4e0d\u4f1a\u6709\u7ed3\u679c\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5728view\u7aef\u68c0\u6d4b\u4e00\u4e0b\uff0c\u5982\u679c\u6709\u7ed3\u679c\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u663e\u793a\uff0c\u5982\u679c\u6ca1\u6709\u7ed3\u679c\uff0c\u6211\u4eec\u5c31\u4e0d\u663e\u793a\u3002\u73b0\u5728\u5c31\u6765\u770b\u770b\u5177\u4f53\u4ee3\u7801\u600e\u4e48\u5199\uff0c\u5148\u770bcontroller\u7aef\uff1a<\/p>\n

if (this->form_validation->run() == TRUE) {<\/p>\n

\/\/ \u5982\u679c\u80fd\u591f\u901a\u8fc7\u9a8c\u8bc1\u89c4\u5219\uff0c\u5219\u8fdb\u884c\u8ba1\u7b97<\/span>result = this->calculate_model->count(<\/span>num1, num2,<\/span>op);<\/p>\n

\/\/ \u5c06\u8ba1\u7b97\u7ed3\u679c\u4f20\u7ed9view<\/p>\n

this->load->view(‘calculate_view’, array(‘result’=><\/span>result));<\/p>\n

}else {<\/p>\n

\/\/ \u4e0d\u80fd\u901a\u8fc7\u9a8c\u8bc1\u89c4\u5219\uff0c\u65e0\u6cd5\u8fdb\u884c\u8ba1\u7b97\uff0c\u8df3\u4f1a\u539f\u9875\u9762\uff0c\u8ba9\u7528\u6237\u91cd\u65b0\u586b\u5199\u6570\u636e<\/p>\n

$this->load->view(‘calculate_view’);<\/p>\n

}<\/p><\/blockquote>\n

\u6ce8\u610f\u770b\uff0c\u53ea\u662f\u5728\u8ba1\u7b97\u4e4b\u540e\uff0c\u91cd\u65b0\u52a0\u8f7dcalculate_view\u89c6\u56fe\u5e76\u5c06\u7ed3\u679c\u4f20\u9012\u7ed9\u5b83\uff0c\u7136\u540e\u518d\u6765\u770bview\u7aef\u7684\u4ee3\u7801\uff0c\u5176\u5b9eview\u7aef\u6539\u52a8\u5f88\u5c0f\uff0c\u53ea\u9700\u5728\u521b\u5efa\u663e\u793a\u7ed3\u679c\u7684\u90a3\u4e2a\u8868\u5355\u57df\u7684\u65f6\u5019\u68c0\u6d4b\u4e00\u4e0b\u6709\u6ca1\u6709\u7ed3\u679c\u88ab\u4f20\u5165\u5c31OK\u4e86\uff0c\u5982\u679c\u6709\uff0c\u5219\u8bbe\u7f6e\u4e00\u4e0b\u8be5\u8868\u5355\u57df\u7684\u9ed8\u8ba4\u503c\uff0c\u5177\u4f53\u5199\u6cd5\u5982\u4e0b\uff1a<\/p>\n

\/\/ \u521b\u5efa\u8f93\u5165\u6846<\/p>\n

if (isset(result)){<\/p>\n

echo form_input(array(‘name’=>’result’, ‘id’=>’result’, ‘value’=><\/span>result, ‘disabled’=>’disabled’));<\/p>\n

}else {<\/p>\n

echo form_input(array(‘name’=>’result’, ‘id’=>’result’, ‘disabled’=>’disabled’));<\/p>\n

}<\/p><\/blockquote>\n

\u81f3\u4e8eisset\u8fd9\u4e2a\u51fd\u6570\uff0c\u662f\u6700\u57fa\u672c\u7684PHP\u51fd\u6570\uff0c\u6211\u5728\u8fd9\u91cc\u4e0d\u505a\u4efb\u4f55\u4ecb\u7ecd\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u6559\u7a0b\u6700\u5f00\u59cb\u7684\u65f6\u5019\u6211\u5c31\u8bf4\u8fc7\uff0c\u5982\u679c\u8981\u60f3\u770b\u61c2\u8fd9\u4e2a\u6559\u7a0b\u9700\u8981\u6709PHP\u57fa\u7840\u77e5\u8bc6\u3002<\/p>\n

\u5230\u8fd9\u91cc\uff0c\u54b1\u4eec\u4eca\u5929\u7684\u8bfe\u7a0b\u5c31\u5feb\u7ed3\u675f\u4e86\uff0c\u4f46\u662f\u8fd8\u8bf7\u5927\u5bb6\u601d\u8003\u4e00\u4e0b\u8fd9\u9762\u7684\u4ee3\u7801\uff0c\u54b1\u4eec\u4e0a\u9762\u7f29\u5199\u7684\u8fd9\u6bb5\u4ee3\u7801\uff0c\u539f\u7406\u5176\u5b9e\u548cform_error()\u548cset_value()\u8fd9\u4e24\u4e2aCI\u63d0\u4f9b\u7684\u8f85\u52a9\u51fd\u6570\u7684\u539f\u7406\u4e00\u6837\uff0c\u6240\u4ee5\u5728\u4ee5\u540e\u7684\u5b66\u4e60\u4e2d\uff0c\u5927\u5bb6\u5e94\u8be5\u5b66\u4f1a\u7ec6\u5fc3\u89c2\u5bdf\uff0c\u878d\u4f1a\u8d2f\u901a\uff0c\u4e0d\u80fd\u4ec5\u4ec5\u5b66\u4f1a\u600e\u6837\u7528\u522b\u4eba\u63d0\u4f9b\u7684API\uff0c\u8fd8\u8981\u601d\u8003\u548c\u7814\u7a76\u88ab\u4eba\u7684\u601d\u60f3\u548c\u65b9\u6cd5\u3002<\/p>\n

 <\/p>\n

\u603b\u7ed3\uff1a\u8fd9\u8282\u8bfe\u901a\u8fc7CI\u6846\u67b6\u4e2d\u4e24\u4e2a\u548c\u8868\u5355\u6709\u5173\u7684\u7c7b\u4ecb\u7ecd\u4e86\u5728CI\u6846\u67b6\u4e2d\u5982\u4f55\u4f7f\u7528\u5176\u63d0\u4f9b\u7684\u8f85\u52a9\u51fd\u6570\u548c\u7c7b\u5e93\uff0c\u901a\u8fc7\u8fd9\u8282\u8bfe\u7684\u5b66\u4e60\uff0c\u53ef\u4ee5\u878d\u4f1a\u8d2f\u901a\uff0c\u4e3e\u4e00\u53cd\u4e09\u7684\u5b66\u4e60\u548c\u4f7f\u7528CI\u6846\u67b6\u6240\u63d0\u4f9b\u7684\u5176\u4ed6\u8f85\u52a9\u51fd\u6570\u548c\u7c7b\u5e93\u3002\u5728\u672c\u8282\u8bfe\u7684\u5b66\u4e60\u4e2d\uff0c\u7528\u5230\u4e86\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u8868\u5355\u9a8c\u8bc1\u7c7b\uff0c\u8fd9\u8282\u8bfe\u6240\u4ecb\u7ecd\u7684\u53ea\u662f\u8fd9\u4e2a\u7c7b\u4e2d\u6700\u91cd\u8981\u548c\u6700\u5e38\u7528\u7684\u51e0\u4e2a\u65b9\u6cd5\uff0c\u4f46\u662f\u8be5\u7c7b\u4e0d\u4ec5\u4ec5\u80fd\u5b9e\u73b0\u8fd9\u4e9b\u529f\u80fd\uff0c\u5982\u679c\u5927\u5bb6\u6709\u5174\u8da3\uff0c\u5efa\u8bae\u5927\u5bb6\u518d\u53bb\u7814\u7a76\u4e00\u4e0b\u8868\u5355\u9a8c\u8bc1\u7c7b\u7684\u201c\u7ffb\u8bd1\u8868\u5355\u57df\u540d\u5b57\u201d\u548c\u201c\u5c06\u4e00\u7cfb\u5217\u9a8c\u8bc1\u89c4\u5219\u4fdd\u5b58\u5230\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\u201d\u7b49\u529f\u80fd\uff0c\u76f8\u4fe1\u4f1a\u6709\u66f4\u591a\u7684\u542f\u53d1\u3002<\/p>\n

\u901a\u8fc7\u8fd9\u8282\u8bfe\u7684\u5b66\u4e60\uff0c\u8fd8\u60f3\u548c\u5927\u5bb6\u5206\u4eab\u4e00\u4e2a\u89c2\u70b9\uff0c\u90a3\u5c31\u662f\u5176\u5b9e\u5728\u771f\u6b63\u7684\u9879\u76ee\u5f00\u53d1\u4e2d\uff0c\u5b9e\u73b0\u529f\u80fd\u90fd\u662f\u975e\u5e38\u7b80\u5355\u4e5f\u662f\u6700\u57fa\u672c\u7684\u8981\u6c42\uff0c\u5176\u5b9e\u4e00\u4e2a\u9879\u76ee\u7528\u4e8e\u7f16\u5199\u4ee3\u7801\u7684\u5927\u90e8\u5206\u65f6\u95f4\u548c\u7cbe\u529b\u90fd\u662f\u7528\u5728\u4e86\u63d0\u9ad8\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u65b9\u9762\uff0c\u6240\u4ee5\u5927\u5bb6\u8981\u6ce8\u610f\uff0c\u5728\u5b66\u4e60\u7684\u8fc7\u7a0b\u4e2d\uff0c\u8981\u591a\u591a\u6ce8\u610f\u548c\u601d\u8003\u4e00\u4e0b\u8fd9\u65b9\u9762\u7684\u5185\u5bb9\uff0c\u600e\u6837\u624d\u80fd\u4f7f\u81ea\u5df1\u7684\u7a0b\u5e8f\u7528\u8d77\u6765\u66f4\u52a0\u6d41\u7545\u3001\u66f4\u52a0\u8212\u670d\uff0c\u603b\u5f97\u6765\u8bf4\u5c31\u662f\u4e00\u53e5\u8bdd\uff0c\u8981\u60f3\u505a\u51fa\u4e00\u4e2a\u5927\u5bb6\u90fd\u8ba4\u53ef\u7684\u8f6f\u4ef6\uff0c\u4e00\u5b9a\u8981\u4e0d\u65ad\u7684\u63d0\u9ad8\u8f6f\u4ef6\u7684UX\uff08\u7528\u6237\u4f53\u9a8c\uff09\uff01\uff01\uff01<\/p>\n

\u7b2c\u56db\u8bfe\u6e90\u4ee3\u7801\u4e0b\u8f7d\u5730\u5740\uff1a<\/p>\n

http:\/\/pan.baidu.com\/s\/1i33m6NV<\/p>\n \n \n ","protected":false},"excerpt":{"rendered":"

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