jQuery AJAX实例（包含JSON）
function checkUserNumPerAcco() {var warningHtml = '<font color="red">（用户数少于2人！）</font>';var status = true;$("input:hidden").each(function() {var accoId = this.value;$.ajax({ type: "POST", url: "<%=basePath%>accounting/baseInfoAction.do?method=checkUserNumPerAcco", data: "accoId=" + accoId, success: function(res){ var json; //JSON对象组装 eval("json = " + res + ";"); if(!json.success) { status = false; return; } //已分配用户数<2的，在帐套名称后添加提示信息 if(json.userNum < 2) {$("#user_num_warn_" + accoId).html(warningHtml);} else {$("#user_num_warn_" + accoId).html("&nbsp;");} }, failure: function(){ status = false; }}); });if(!status) { alert("获取帐套已分配用户数失败，请检查网络连接！");}}
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