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CICIajax
CICIPHPPHPCIMVCMVCCIURLCI
example.com/index.php/floder/class/function/id/
example.comIP index.phpPHP floder classPHP functionindex idfunctionindexURLPHPURLgetCI/CI/id1id2id3URL
example.com/index.php/floder/class/function/id1/id2/id3/CI MVCindex.phpCICIindex.php URLindex.phpindex.phpSEOCI.htaccess
<span RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ /CI_03/index.php/$1 [L]</span>CI_03CI_01CI_02URLindex.php
index.phpCICodeIgniterAPIURLURL
CIajax ajaxajax基于PHP的AJAX学习笔记(教程)ajax ajaxCalculatecount()
<span function</span> <span count</span><span () { </span><span //</span><span 使用输入类接收参数</span> <span $num1</span> = <span $this</span>->input->post('num1'<span ); </span><span $op</span> = <span $this</span>->input->post('operate'<span ); </span><span $num2</span> = <span $this</span>->input->post('num2'<span ); </span><span if</span> (<span is_numeric</span>(<span $num1</span>) && <span is_numeric</span>(<span $num2</span><span )) { </span><span //</span><span 如果两个数输入均为数字,则调用calculate_model模型下的count方法</span> <span $result</span> = <span $this</span>->calculate_model-><span count</span>(<span $num1</span>, <span $num2</span>, <span $op</span><span ); </span><span //</span><span 采用文本作为格式作为回传值,所以直接返回结果</span> <span echo</span> <span $result</span><span ; }</span><span else</span><span { </span><span echo</span> <span FALSE</span><span ; } }</span>xmljsonPHPAJAX
calculate_view
<span <!</span><span DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"</span><span ></span> <span <</span><span html </span><span xmlns</span><span ="http://www.w3.org/1999/xhtml"</span><span ></span> <span <</span><span head</span><span ></span> <span <</span><span meta </span><span http-equiv</span><span ="Content-Type"</span><span content</span><span ="text/html; charset=utf-8"</span> <span /></span> <span <</span><span title</span><span ></span>网页计算器<span </</span><span title</span><span ></span> <span <</span><span style </span><span type</span><span ="text/css"</span><span ></span><span #calculators </span><span {</span><span margin</span><span :</span><span 10% auto</span><span ;</span><span width</span><span :</span><span 600px</span><span ;</span><span border</span><span :</span><span 1px solid #000</span><span ;</span> <span }</span> <span </</span><span style</span><span ></span> <span <</span><span script </span><span type</span><span ="text/javascript"</span><span ></span> <span var</span><span xmlhttp </span><span =</span> <span null</span><span ; </span><span function</span><span $(id) { </span><span return</span><span document.getElementById(id); } </span><span //</span><span 创建ajax引擎</span> <span function</span><span getXMLHttpRequest() { </span><span var</span><span xmlhttp; </span><span try</span><span { </span><span //</span><span Firefox,Opera 8.0+, Safari</span> <span xmlhttp </span><span =</span> <span new</span><span XMLHttpRequest(); }</span><span catch</span><span (e) { </span><span //</span><span Internet Explorer</span> <span try</span><span { xmlhttp </span><span =</span> <span new</span><span ActiveXObject(</span><span "</span><span Msxml12.XMLHTTP</span><span "</span><span ); }</span><span catch</span><span (e) { </span><span try</span><span { xmlhttp </span><span =</span> <span new</span><span ActiveXObject(</span><span "</span><span Microsoft.XMLHTTP</span><span "</span><span ); }</span><span catch</span><span (e) { alert(</span><span "</span><span 您的浏览器不支持AJAX!</span><span "</span><span ); </span><span return</span> <span false</span><span ; } } } </span><span return</span><span xmlhttp; } </span><span function</span><span isubmit() { xmlhttp </span><span =</span><span getXMLHttpRequest(); </span><span //</span><span 怎么判断创建是否成功</span> <span if</span><span (xmlhttp) { </span><span //</span><span 以post方式发送</span> <span var</span><span url </span><span =</span> <span "</span><span index.php/calculate/count/</span><span "</span><span ; </span><span var</span><span data </span><span =</span> <span "</span><span num1=</span><span "</span><span +</span><span $(</span><span "</span><span num1</span><span "</span><span ).value</span><span +</span><span "</span><span &operate=</span><span "</span><span +</span><span $(</span><span "</span><span operate</span><span "</span><span ).value</span><span +</span><span "</span><span &num2=</span><span "</span><span +</span><span $(</span><span "</span><span num2</span><span "</span><span ).value; </span><span //</span><span 打开请求</span> <span xmlhttp.open(</span><span "</span><span post</span><span "</span><span , url, </span><span true</span><span ); </span><span //</span><span 下面这句话是post方式发送时必须要</span> <span xmlhttp.setRequestHeader(</span><span "</span><span Content-Type</span><span "</span><span , </span><span "</span><span application/x-www-form-urlencoded</span><span "</span><span ); </span><span //</span><span 指定回调函数,指定的函数名一定不要带括号</span> <span xmlhttp.onreadystatechange </span><span =</span><span deal; </span><span //</span><span 发送请求</span> <span xmlhttp.send(data); } } </span><span function</span><span deal() { </span><span //</span><span 取出从服务器返回的数据</span> <span if</span><span (xmlhttp.readyState </span><span ==</span> <span 4</span><span ) { </span><span //</span><span 取出值,根据返回信息的格式而定</span> <span $(</span><span "</span><span result</span><span "</span><span ).value </span><span =</span><span xmlhttp.responseText; } } </span><span </</span><span script</span><span ></span> <span </</span><span head</span><span ></span> <span <</span><span body</span><span ></span> <span <</span><span div </span><span id</span><span ="calculators"</span><span ></span> <span <</span><span form</span><span ></span> <span <</span><span input </span><span type</span><span ="text"</span><span name</span><span ="num1"</span><span id</span><span ="num1"</span> <span /></span> <span <</span><span select </span><span name</span><span ="operate"</span><span id</span><span ="operate"</span><span ></span> <span <</span><span option </span><span value</span><span ="add"</span><span ></span>+<span </</span><span option</span><span ></span> <span <</span><span option </span><span value</span><span ="sub"</span><span ></span>-<span </</span><span option</span><span ></span> <span <</span><span option </span><span value</span><span ="mul"</span><span ></span>x<span </</span><span option</span><span ></span> <span <</span><span option </span><span value</span><span ="div"</span><span ></span>÷<span </</span><span option</span><span ></span> <span </</span><span select</span><span ></span> <span <</span><span input </span><span type</span><span ="text"</span><span name</span><span ="num2"</span><span id</span><span ="num2"</span> <span /></span><span = </span><span <</span><span input </span><span type</span><span ="text"</span><span name</span><span ="result"</span><span id</span><span ="result"</span><span disabled</span><span ="disabled"</span> <span /></span> <span <</span><span input </span><span type</span><span ="button"</span><span value</span><span ="计算"</span><span onclick</span><span ="isubmit()"</span> <span /></span> <span </</span><span form</span><span ></span> <span </</span><span div</span><span ></span> <span </</span><span body</span><span ></span> <span </</span><span html</span><span ></span>ajax
calculate_modelcount
<span function</span> <span count</span>(<span $num1</span>, <span $num2</span>, <span $op</span><span ) { </span><span if</span> (<span $op</span> == "add"<span ) { </span><span return</span> <span $num1</span> + <span $num2</span><span ; }</span><span else</span> <span if</span> (<span $op</span> == "sub"<span ) { </span><span return</span> <span $num1</span> - <span $num2</span><span ; }</span><span else</span> <span if</span> (<span $op</span> == "mul"<span ) { </span><span return</span> <span $num1</span> * <span $num2</span><span ; }</span><span else</span> <span if</span> (<span $op</span> == "div" && <span $num2</span> != 0<span ) { </span><span return</span> <span $num1</span> / 1.0 / <span $num2</span><span ; }</span><span else</span><span { </span><span return</span> <span FALSE</span><span ; } }</span>ajaxCIajax
CIajaxajaxajaxajax

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