【经典源码收藏】基于jQuery的项目常见函数封装集合

本文实例汇总了基于jQuery的项目常见函数封装。分享给大家供大家参考，具体如下：

/// <reference path="jquery-1.8.0.min.js" />
/*
* DIV或元素居中
* @return
*/
jQuery.fn.mCenterDiv = function () {
  this.css("position", "absolute");
  this.css("border", "1px solid #ccc");
  this.css("top", ($(window).height() - this.height()) / 2 + $(window).scrollTop() + "px");
  this.css("left", ($(window).width() - this.width()) / 2 + $(window).scrollLeft() + "px");
  this.show(100);
  return this;
};
/*
* 替换字符串中所有符合的字符
* @param ASource 源字符串
* @param AFindText 待替换字符
* @param ARepText 替换后字符
* @return
*/
jQuery.mReplaceAll = function (ASource,AFindText, ARepText) {
  var raRegExp = new RegExp(AFindText, "g");
  return ASource.replace(raRegExp, ARepText);
};
/*
* 判断object是否空，未定义或null
* @param object
* @return
*/
jQuery.mIsNull = function (obj) {
  if (obj == "" || typeof(obj) == "undefined" || obj == null) {
    return true;
  }
  else {
    return false;
  }
};
/*
* 获取URL参数
* @param name 参数
* @return
*/
jQuery.mGetUrlParam = function (name) {
  var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
  var r = window.location.search.substr(1).match(reg);
  if (r != null) return unescape(r[2]); return null;
};
/*
* 乘法函数，用来得到精确的乘法结果
* @param arg1 参数1
* @param arg2 参数2
* @return
*/
jQuery.mAccMul = function(arg1, arg2) {
  var m = 0, s1 = arg1.toString(), s2 = arg2.toString();
  try { m += s1.split(".")[1].length } catch (e) { }
  try { m += s2.split(".")[1].length } catch (e) { }
  return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m)
}
/*
* 获取随机数
* @param x 下限
* @param y 上限
* @return
*/
jQuery.mGetRandom = function (x, y) {
  return parseInt(Math.random() * (y - x + 1) + x);
};
/*
* 将数值四舍五入(保留2位小数)后格式化成金额形式
* @param num 数值(Number或者String)
* @return 金额格式的字符串,如'1,234,567.45'
*/
jQuery.mFormatCurrency = function(num) {
  num = num.toString().replace(/\$|\,/g, '');
  if (isNaN(num))
    num = "0";
  sign = (num == (num = Math.abs(num)));
  num = Math.floor(num * 100 + 0.50000000001);
  cents = num % 100;
  num = Math.floor(num / 100).toString();
  if (cents < 10)
    cents = "0" + cents;
  for (var i = 0; i < Math.floor((num.length - (1 + i)) / 3); i++)
    num = num.substring(0, num.length - (4 * i + 3)) + ',' +
  num.substring(num.length - (4 * i + 3));
  return (((sign) ? '' : '-') + num + '.' + cents);
}
/*
* 正则验证
* @param s 验证字符串
* @param type 验证类型 money,china,mobile等
* @return
*/
jQuery.mCheck = function (s, type) {
  var objbool = false;
  var objexp = "";
  switch (type) {
    case 'money': //金额格式,格式定义为带小数的正数，小数点后最多三位
      objexp = "^[0-9]+[\.][0-9]{0,3}$";
      break;
    case 'numletter_': //英文字母和数字和下划线组成
      objexp = "^[0-9a-zA-Z\_]+$";
      break;
    case 'numletter': //英文字母和数字组成
      objexp = "^[0-9a-zA-Z]+$";
      break;
    case 'numletterchina': //汉字、字母、数字组成
      objexp = "^[0-9a-zA-Z\u4e00-\u9fa5]+$";
      break;
    case 'email': //邮件地址格式
      objexp = "^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$";
      break;
    case 'tel': //固话格式
      objexp = /^((\d2,3)|(\d{3}\-))?(0\d2,3|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/;
      break;
    case 'mobile': //手机号码
      objexp = "^(13[0-9]|15[0-9]|18[0-9])([0-9]{8})$";
      break;
    case 'decimal': //浮点数
      objexp = "^[0-9]+([.][0-9]+)?$";
      break;
    case 'url': //网址
      objexp = "(http://|https://){0,1}[\w\/\.\?\&\=]+";
      break;
    case 'date': //日期 YYYY-MM-DD格式
      objexp = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/;
      break;
    case 'int': //整数
      objexp = "^[0-9]*[1-9][0-9]*$";
      break;
    case 'int+': //正整数包含0
      objexp = "^\\d+$";
      break;
    case 'int-': //负整数包含0
      objexp = "^((-\\d+)|(0+))$";
      break;
    case 'china': //中文
      objexp = /^[\u0391-\uFFE5]+$/;
      break;
  }
  var re = new RegExp(objexp);
  if (re.test(s)) {
    return true;
  }
  else {
    return false;
  }
};
/*
* 获取控件的值
* @param controlID 控件ID
* @param controltype 类型 如text radio
* @return
*/
jQuery.mGetValue = function (controlID, controltype) {
  var objValue = "";
  switch (controltype) {
    case 'text': //文本输入框
      objValue = $.trim($("#" + controlID + "").attr("value")); //取值去左右空格
      break;
    case 'radio': //单选框
      objValue = $("input[name='" + controlID + "']:checked").attr("value");
      break;
    case 'select': //下拉列表
      objValue = $("#" + controlID + "").attr("value");
      break;
    case 'checkbox': //多选框
      $("input[name='" + controlID + "']:checked").each(function () {
        objValue += $(this).val() + ",";
      });
      break;
    default:
      break;
  }
  return objValue;
};
/*
* 设置控件的值
* @param controlID 控件ID
* @param controltype 类型 如text radio
* @param controlvalue 绑定值
* @return
*/
jQuery.mSetValue = function (controlID, controltype, controlvalue) {
  switch (controltype) {
    case 'text': //文本输入框
      //$("#txtUserID").attr("value", '这是绑定内容'); //填充内容
      //$("input[name='radio1'][value='上海']").attr("checked", true); //单选组radio：设置value='上海'的项目为当前选中项
      //$("#select1").attr("value", '葡萄牙'); //下拉框select：设置value='中国'的项目为当前选中项
      //$("input[name='checkbox1'][value='黑色'],[value='蓝色']").attr("checked", true); //多选框：设置多个值为当前选中项
      $("#" + controlID + "").attr("value", controlvalue); //填充内容
      break;
    case 'radio': //单选框
      $("input[name='" + controlID + "'][value='" + controlvalue + "']").attr("checked", true);
      break;
    case 'select': //下拉列表
      $("#" + controlID + "").attr("value", controlvalue);
      break;
    case 'checkbox': //多选框
      $("input[name='" + controlID + "'][value='" + controlvalue + "'],[value='" + controlvalue + "']").attr("checked", true); //多选框：设置多个值为当前选中项
      break;
    default:
      break;
  }
};
/*
* 兼容IE火狐等浏览器的自动跳转
* @param url 跳转网址
* @return
*/
jQuery.mAutoNav = function (url) {
  if ($.browser.msie) {
    var referLink = document.createElement('a');
    referLink.href = url;
    document.body.appendChild(referLink);
    referLink.click();
  } else {
    location.href = url;
  }
};
/*
* Table表格奇偶行设置颜色及移动鼠标行变色
* @param table 表格ID
* @return
*/
jQuery.mTableHover = function (table) {
  $("#" + table).each(function () {
    var o = $(this);
    //设置偶数行和奇数行颜色
    o.find("tr:even").css("background-color", "#EFF3FB");
    o.find("tr:odd").css("background-color", "#FFFFFF");
    //鼠标移动隔行变色hover用法关键
    o.find("tr:not(:first)").hover(function () {
      $(this).attr("bColor", $(this).css("background-color")).css("background-color", "#E0E0E0");
    }, function () {
      $(this).css("background-color", $(this).attr("bColor"));
    });
  });
};
/*
* gridview 隔行换色 鼠标滑过变色 多选
* c#获取选择值 Request.Form.Get("chkItem")
* @param objgridview ID
* @return
*/
jQuery.mGridview = function (objgridview) {
  var headcolor = { background: '#E0ECFF', color: '#333' };
  var normalcolor = { background: '#f7f6f3' };
  var altercolor = { background: '#EDF1F8' };
  var hovercolor = { background: '#89A5D1' };
  var selectcolor = { background: '#ACBFDF' };
  var nullcolor = {};
  //get obj id
  var gridviewId = "#" + objgridview;
  //even
  $(gridviewId + ">tbody tr:even").css(normalcolor);
  //first
  $(gridviewId + ">tbody tr:first").css(nullcolor).css(headcolor);
  //odd
  $(gridviewId + ">tbody tr:odd").cs