common.js

var vac = vac||{};

vac.alert = function(msg){
    $.messager.alert('提示信息',msg,'error');
}

//ajax 请求，不需要确认
vac.ajax = function(url,data,type,callback)
{
	if(url == undefined || url == null)
	{
		vac.alert('链接地址不为空');
	}

	data = (data === undefined || data == null) ? {} : data;

	type = (type === undefined || type == null) ? 'POST' : type;
	$.ajax({
		url: url,
		type: type,
		data: data,
		dataType: 'json',
        async: false,
		timeout: 180000,
		error: function(request, type, ex){
			vac.alert('验证超时');
		},
		success: function(data){

			if(callback === undefined || callback == null)
			{
				if (!data.status)
				{
					vac.alert(data.info);
				}
				else
				{
					location.reload();
				}
			}
			else
			{
				callback(data);
			}
   		}
   	});
}
vac.isEmpty = function(obj){
    var isEmpty;
    for (var n in obj) {
        if( n) {
            isEmpty = false;
            break;
        }
    }
    if(obj == null || obj.length == 0){
        isEmpty = true;
    }
    if ( isEmpty == null ) {
    isEmpty = true;
    }
    return isEmpty;
}

vac.getindex = function (str){
    var index = $("#"+str+"").datagrid("getRowIndex",$("#"+str+"").datagrid("getSelected"));
    return index;
}
//获取鼠标当前坐标
vac.mousPos = function (e){
    var x,y;
    var e = e||window.event;
    return {
        x:e.clientX+document.body.scrollLeft+document.documentElement.scrollLeft,
        y:e.clientY+document.body.scrollTop+document.documentElement.scrollTop
    };
}
/**
 * @author 孙宇
 *
 * @requires jQuery
 *
 * 将form表单元素的值序列化成对象
 *
 * @returns object
 */
vac.serializeObject = function(form) {
    var o = {};
    $.each(form.serializeArray(), function(index) {
        if (o[this['name']]) {
            o[this['name']] = o[this['name']] + "," + this['value'];
        } else {
            o[this['name']] = this['value'];
        }
    });
    return o;
};


jQuery.extend({
    /**
     * @see 将javascript数据类型转换为json字符串
     * @param 待转换对象,支持  object,array,string,function,number,boolean,regexp
     * @return 返回json字符串
     */
    toJSON:function(object){
        var type = typeof object;
        if ('object' == type) {
            if (Array == object.constructor)
                type = 'array';
            else if (RegExp == object.constructor)
                type = 'regexp';
            else
                type = 'object';
        }
        switch (type) {
            case 'undefined':
            case 'unknown':
                return;
            case 'function':
            case 'boolean':
            case 'regexp':
                return object.toString();
            case 'number':
                return isFinite(object) ?   object.toString() : 'null';
            case 'string':
                return '"' + object.replace(/(|")/g, "$1").replace(/n|r|t/g, function(){
                    var a = arguments[0];
                    return (a == 'n') ? 'n': (a == 'r') ? 'r': (a == 't') ? 't': ""
                }) + '"';
            case 'object':
                if (object === null)
                    return 'null';
                var results = [];
                for (var property in object) {
                    var value = jQuery.toJSON(object[property]);
                    if (value !== undefined) results.push(jQuery.toJSON(property) + ':' + value);
                }
                return '{' + results.join(',') + '}';
            case 'array':
                var results = [];
                for (var i = 0; i < object.length; i++) {
                    var value = jQuery.toJSON(object[i]);
                    if (value !== undefined) results.push(value);
                }
                return '[' + results.join(',') + ']';
        }
    }
})