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原理：非同步提交POST資料到Web Services的方法上，分析返回的xml資料，獲得結果。下面是用比較流行的Ajax架構JQuery來實現剛才的操作。<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title></title> <script type="text/javascript" src="jquery-1.4.min.js"></script> <script type="text/javascript"> var calc = function() { var a = parseInt($('#numberA').val()); var b = parseInt($('#numberB').val()); /// 這個為Web服務公開的方法所在的URL var methodPath ='./Math.asmx/Add'; /// Web服務方法所需的參數 var params= { a: a, b: b }; $.post(methodPath, params, function(msg) { /// 非同步請求成功以後返回的資料為msg，需要通過分析xml來獲得返回結果 $('#result').val($('int', msg).text()); }); }; </script> </head> <body> <div> <input type="text" id="numberA"/> + <input type="text" id="numberB"/> = <input type="text" id="result"/><br /> <input type="button" value="計算" onclick="calc();"/> </div> </body> </html>
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