喵喔喔
JQ用法的if用法:<!DOCTYPE html><html><head><script src="Scripts/jquery-1.6.2.min.js" type="text/javascript"></script><script src="Scripts/tmpl.js" type="text/javascript"></script></head><body><script id="DeptTemplate" type="text/x-jquery-tmpl">Title:${Name}{{if Emp.length}}成员:${$item.getEmp("-")}{{/if}}<br />Title:${Name}{{if Emp.length==2}}成员:${$item.getEmp("-")}{{/if}}<br /></script><div id="DeptList"></div><script>var deptlist = [{ Name: "销售部", Emp: ["张三", "李四"] },{ Name: "软件部", Emp: [] },{ Name: "网络部", Emp: ["王二麻子", "王小"] }];$("#DeptTemplate").tmpl(deptlist,{getEmp: function (separator) {return this.data.Emp.join(separator);}}).appendTo("#DeptList");</script></body></html>--输出结果