ajax
function json2url(json){ var arr=[]; for(var name in json){ arr.push(name+'='+json[name]); } return arr.join('&'); } function ajax(json){ json=json || {}; if(!json.url)return; json.data=json.data || {}; json.type=json.type || 'get'; var timer=null; if(window.XMLHttpRequest){ var oAjax=new XMLHttpRequest(); }else{ var oAjax=new ActiveXObject('Microsoft.XMLHTTP'); } switch(json.type){ case 'get': oAjax.open('GET',json.url+'?'+json2url(json.data),true); oAjax.send(); break; case 'post': oAjax.open('POST',json.url,true); oAjax.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); oAjax.send(json2url(json.data)); break; } oAjax.onreadystatechange=function(){ if(oAjax.readyState==4){ clearTimeout(timer); if(oAjax.status>=200 && oAjax.status<300 || oAjax.status==304){ json.success && json.success(oAjax.responseText); }else{ json.error && json.error(oAjax.status); } } }; }
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