转自：https://blog.csdn.net/yinbucheng/article/details/61200301
Jquery中Ajax/Post同步和异步请求
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1 异步请求： |
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1.1 $.ajax |
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$.ajax({ |
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url : 'your url', |
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data:{name:value}, |
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cache : false, |
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async : true, |
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type : "POST", |
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dataType : 'json/xml/html', |
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success : function (result){ |
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do something.... |
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} |
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}); |
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2 同步请求 |
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2.1 $.ajax |
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$.ajax({ |
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url : 'your url', |
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data:{name:value}, |
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cache : false, |
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async : false, |
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type : "POST", |
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dataType : 'json/xml/html', |
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success : function (result){ |
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do something.... |
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} |
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}); |
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2.2 $.post |
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$.post( |
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'your url', |
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{name:value}, |
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function(data) { |
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do something... |
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}, |
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'json/xml/html' |
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); |
在全局设置：
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$.ajaxSetup({ |
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async : false |
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}); |
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$.get("register/RegisterState", {test : 12}, function(data, status) { |
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if (status == "success") { |
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data = eval("(" + data + ")"); |
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aDataSet = data; |
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alert("data is " + aDataSet); |
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} else { |
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alert("wrong"); |
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} |
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}); |