JS常用操作

/**
 * 金额转换
 * @param number 金额值
 * @param places 小数位
 * @param synmbol
 * @param thousand
 * @param decimal
 * @returns {string}
 */
function formatMoney(number, places, synmbol, thousand, decimal){
	number = number || 0;
	places = !isNaN(places = Math.abs(places)) ? places : 2;
	synmbol = synmbol != undefined ? synmbol : "$";
	thousand = thousand || ",";
	decimal = decimal || ".";
	var negative = number < 0 ? "-" : "";
	var i = parseInt(number = Math.abs(+number || 0).toFixed(places), 10) + "";
	var j = (j = i.length) > 3 ? j % 3 : 0;
	return negative
		+ (j ? i.substr(0, j) + thousand : "")
		+ i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + thousand)
		+ (places ? decimal + Math.abs(number - i).toFixed(places).slice(2) : "");
}

 

//对Date的扩展，将 Date 转化为指定格式的String
//月(M)、日(d)、小时(h)、分(m)、秒(s)、季度(q) 可以用 1-2 个占位符， 
//年(y)可以用 1-4 个占位符，毫秒(S)只能用 1 个占位符(是 1-3 位的数字) 
//例子： 
//(new Date()).Format("yyyy-MM-dd HH:mm:ss.S") ==> 2006-07-02 08:09:04.423 
//(new Date()).Format("yyyy-M-d H:m:s.S")      ==> 2006-7-2 8:9:4.18 
Date.prototype.Format = function (fmt) { //author: meizz 
 var o = {
     "M+": this.getMonth() + 1, //月份 
     "d+": this.getDate(), //日 
     "H+": this.getHours(), //小时 
     "m+": this.getMinutes(), //分 
     "s+": this.getSeconds(), //秒 
     "q+": Math.floor((this.getMonth() + 3) / 3), //季度 
     "S": this.getMilliseconds() //毫秒 
 };
 if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
 for (var k in o)
 if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
 return fmt;
};

 

/**
 * 序列化form表单数据
 * @returns {{}}
 */
$.fn.serializeObject = function(){
	var o = {};
	var a = this.serializeArray();
	$.each(a, function(){
		if(o[this.name]){
			if(!o[this.name].push){
				o[this.name] = [o[this.name]];
			}
			o[this.name].push(this.value || '');
		} else {
			o[this.name] = this.value || '';
		}
	});
	return o;
}

/**
 * // 处理表单，当存在-1的情况则设置为空值，主要是 easyui-combobox 用
 * @returns {Array}
 */
$.fn.serializeGetParam = function(){
	var o = new Array();
	var a = this.serializeArray();
	$.each(a, function(){
		if(this.value == "-1") this.value = ""; 
		if(this.value != ""){
			o.push(this.name + "=" + this.value);
		}
	});
	return o;
}

 

/**
 * 去空格操作
 * @param str
 * @returns {XML|string|void|*}
 */
function trimStr(str){
	return str.replace(/(^\s*)|(\s*$)/g, "");
}

/**
 * 判断object/json 是否为空
 * @param e
 * @returns {boolean} true:为空、false: 不为空
 */
function isEmptyObject(e) {
	var t;
	for (t in e)
		return !1;
	return !0
}


/**
 * 在最顶层打开模式窗口
 * @param url 请求的地址或页面
 * @param title 窗口标题
 * @param width 窗口宽度
 * @param height 窗口高度
 * @param param 子页面用到的参数
 * @param callfun 回调函数，用于获取子页面的数据返回给父页面
 */
function openWindow(url, title, width, height, param, callback_result){
	windows.open({
		title: '<font size=\"2px\">' + title + "</font>",
		width: width,
		height: height,
		content: 'url:' + url,
		onLoad: function(dialog){
			var iframe = this.getIFrameEl();
			param["dialog"] = dialog;
			iframe.content.SetData(param);
		},
		onDestroyWin: function(action){
			var data = {};
			if(action == "ok"){
				var iframe = this.getIFrameEl();
				data = iframe.content.GetData();
			}
			if(callback_result != undefined){
				callback_result(data);
			}
		}
	});
}

 

var datagrid_editIndex = undefined;
/**
 * 编辑datagrid
 * @returns {boolean}
 */
function endEditing(){
	if (datagrid_editIndex == undefined){return true}
	if ($('#dg').datagrid('validateRow', datagrid_editIndex)){
		$('#dg').datagrid('endEdit', datagrid_editIndex);
		datagrid_editIndex = undefined;
		return true;
	} else {
		return false;
	}
}