学习：DOJO入门-GET

	dojo.xhrGet({
		url: "/dojoHttpServlet?service=jsp_showPerms",
		handleAs: "json",
		load: function(data) {
			if(data==null){
				console.log("空返回值");
				return ;
			}
			var table = "<table border=\"1\" id=\"perm_table\">";
			table += "<tr><th>权限ID</th><th>权限名</th></tr>";
			dojo.forEach(data.rows, function(perm) {
				console.log(perm);
				table += "<tr><td>";
				table += perm.pid;
				table += "</td><td>";
				table += perm.name;
				table += "</td></tr>";
			});
			table += "</table>";
			dojo.place(table, dojo.body());
		}
	});