jquery 闭包 全选 单操作 批量操作

(function() {
	window.cmsAdmin = {
		ckAll : function() {
			var flag = false;
			var input_chks = document.getElementsByTagName("input");
			if (document.getElementById("checkAll").checked) {
				flag = true;
			}
			for ( var i = 0; i < input_chks.length; i++) {
				if (input_chks[i].type == "checkbox") {
					input_chks[i].checked = flag;
				}
			}
		},
		del : function(controller, action, params) {
			if (confirm("确定删除？")) {
				window.location.href = "/" + controller + "/" + action + "/"
						+ params;
			}
		},
		batchOperate : function(fm, controller, action) {
			var flag = false;
			var input_chks = document.getElementsByTagName("input");

			for ( var i = 0; i < input_chks.length; i++) {
				if (input_chks[i].type == "checkbox" && input_chks[i].checked) {
					flag = true;
				}
			}
			if (flag) {
				if (confirm("确定操作？")) {

					var action_url = "/" + controller + "/" + action;
					$("#" + fm).attr("action", action_url);
					$("#" + fm).submit();
				}
			} else {
				alert("请选择操作项！");
				return;
			}
		},
	};
})();