【经典源码收藏】基于jQuery的项目常见函数封装集合
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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").css(altercolor);
//hover
$(gridviewId + ">tbody tr").click(function () {
var cb = $(this).find("input:checkbox");
var chf = typeof (cb.attr("checked")) == "undefined" ? true : false;
cb.attr("checked", chf);
var expr1 = gridviewId + ' >tbody >tr >td >input:checkbox:checked';
var expr2 = gridviewId + ' >tbody >tr >td >input:checkbox';
var selectAll = $(expr1).length == $(expr2).length;
$('#chkAll').attr('checked', selectAll);
}).hover(function () {
$(this).css(hovercolor);
}, function () {
$(gridviewId + ">tbody tr:even").css(normalcolor);
$(gridviewId + ">tbody tr:first").css(nullcolor).css(headcolor);
$(gridviewId + ">tbody tr:odd").css(altercolor);
});
//all check
$("#chkAll").click(function () {
$(gridviewId + '>tbody >tr >td >input:checkbox:visible').attr('checked', this.checked);
});
//check status
$(gridviewId + ' >tbody >tr >td >input:checkbox').click(function () {
var cb = $(this);
var chf = typeof (cb.attr("checked")) == "undefined" ? true : false;
cb.attr("checked", chf);
var expr1 = gridviewId + ' >tbody >tr >td >input:checkbox:checked';
var expr2 = gridviewId + ' >tbody >tr >td >input:checkbox';
var selectAll = $(expr1).length == $(expr2).length;
$('#chkAll').attr('checked', selectAll);
});
};
/*
* 屏幕居中显示处理进度
* @param info 显示文字
* @param type 方式 0遮罩 1不遮罩
* @param typepic 图片 0:load 1:ok 2:error
* @return
*/
jQuery.mMaskLoad = function (info, type, typepic) {
var pic = "";
switch (typepic) {
case 0: // loading
pic = "./Images/loading.gif";
break;
case 1: // ok
pic = "./Images/right.png";
break;
case 2: // error
pic = "./Images/error.png";
break;
default: //其他任何值时
pic = "./Images/loading.gif";
break;
}
if (type == 0) {
$("<div class=\"datagrid-mask\"></div>").css(
{
display: "block",
width: "100%",
position: "absolute",
left: "0",
top: "0",
opacity: "0.3",
height: "100%",
filter: "alpha(opacity=30)",
background: "#ccc"
}).appendTo("body");
};
$("<div class=\"datagrid-mask-msg\"></div>").css(
{
position: "absolute",
top: "50%",
padding: "12px 5px 10px 30px",
width: "auto",
height: "16px",
border: "1px solid #D1D1D1",
background: "#ffffff url('" + pic + "') no-repeat scroll 5px center",
display: "block",
left: ($(document.body).outerWidth(true) - 190) / 2,
top: ($(window).height() - 45) / 2
}).html(info).appendTo("body");
};
/*
* 屏幕居中隐藏处理进度
* @return
*/
jQuery.mMaskLoadClose = function () {
$(".datagrid-mask").remove();
$(".datagrid-mask-msg").remove();
};
/*
* 控件后创建SPAN作为TIP提示
* @param o 用this
* @param tip 提示文字
* @param typepic 图片 0:load 1:ok 2:error
* @return
*/
jQuery.mTip = function (o, tip, typepic) {
var pic = "";
switch (typepic) {
case 0: // loading
pic = "./Images/loading.gif";
break;
case 1: // ok
pic = "./Images/right.png";
break;
case 2: // error
pic = "./Images/error.png";
break;
default: //其他任何值时
pic = "./Images/loading.gif";
break;
}
var eTip = document.createElement("span");
var objid = $(o).attr("id") + "_tipDiv";
var value = $(o).val();
//绝对路径
var x = $(o).offset().top;
var y = $(o).offset().left;
var w = $(o).width();
var h = $(o).height();
eTip.setAttribute("id", objid);
try {
document.body.appendChild(eTip);
} catch (e) { }
$("#" + objid).hide();
$("#" + objid).css({
top: x,
left: y + w + 10,
height: h,
position: "absolute"
});
$("#" + objid).html("<img src=\"" + pic + "\" style=\"vertical-align:bottom;margin-right:5px;\">" + tip);
$("#" + objid).show();
};
/**
* ajax post提交
* @param url
* @param param
* @param datat 为html,json,text
* @param callback 回调函数 function callBack(data)
* @return
*/
jQuery.mJqAjax = function (url, param, datat, callback) {
$.ajax({
type: "post",
url: url,
data: param,
dataType: datat,
success: callback,
error: function () { }
});
};
/// <reference path="jquery-1.8.3.min.js" />
/*********************************************************************/
/***************************Jquery 扩展****************************/
/*********************************************************************/
jQuery.mIsNull = function (obj) {
if (obj == "" || typeof (obj) == "undefined" || obj == null) {
return true;
}
else {
return false;
}
};
jQuery.mCheckNull = function (id, tipid, nullmess, ctype) {
var str = $.mGetValue(id, ctype);
var tid = ($.mIsNull(tipid)) ? id : tipid;
var obj = ($.mIsNull(tipid)) ? $.mTip : $.mTipCustom;
if ($.mIsNull(str)) {
obj("#" + tid, nullmess, 2);
}
else {
obj("#" + tid, "", 1);
}
};
jQuery.mCheckNullAndReg = function (id, tipid, nullmess, regmess, ctype, rtype) {
var str = $.mGetValue(id, ctype);
var tid = ($.mIsNull(tipid)) ? id : tipid;
var obj = ($.mIsNull(tipid)) ? $.mTip : $.mTipCustom;
if ($.mIsNull(str)) {
obj("#" + tid, nullmess, 2);
}
else {
if ($.mCheck(str, rtype)) {
obj("#" + tid, "", 1);
} else {
obj("#" + tid, regmess, 2);
}
}
};
jQuery.mCheck = function (s, type) {
var objbool = false;
var objexp = "";
switch (type) {
case 'money': //金额格式,格式定义为带小数的正数，小数点后最多三位
objexp = "^[0-9]+[\.][0-9]{0,3}$";
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;
}
};
jQuery.mTip = function (o, tip, typepic) {
var pic = "";
switch (typepic) {
case 0: // loading
pic = "/images/publicNew/loading.gif";
break;
case 1: // ok
pic = "/images/publicNew/right.png";
break;
case 2: // error
pic = "/images/publicNew/error.png";
break;
default: //其他任何值时
pic = "/images/publicNew/onLoad.gif";
break;
}
var eTip = document.createElement("span");
var objid = $(o).attr("id") + "_tipDiv";
var value = $(o).val();
//绝对路径
var x = $(o).offset().top;
var y = $(o).offset().left;
var w = $(o).width();
var h = $(o).height();
eTip.setAttribute("id", objid);
try {
document.body.appendChild(eTip);
} catch (e) { }
$("#" + objid).hide();
$("#" + objid).css({
top: x,
left: y + w + 10,
height: h,
position: "absolute"
});
$("#" + objid).html("<img src=\"" + pic + "\" style=\"vertical-align:bottom;margin-right:5px;\">" + tip);
$("#" + objid).show();
};
jQuery.mTipCustom = function (o, tip, typepic) {
var pic = "";
switch (typepic) {
case 0: // loading
pic = "/images/publicNew/loading.gif";
break;
case 1: // ok
pic = "/images/publicNew/right.png";
break;
case 2: // error
pic = "/images/publicNew/error.png";
break;
default: //其他任何值时
pic = "/images/publicNew/onLoad.gif";
break;
}
$("#" + o).html("<img src=\"" + pic + "\" style=\"vertical-align:bottom;margin-right:5px;\">" + tip);
$("#" + o).show();
};
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;
};
/**
* ajax post提交
* @param url
* @param param
* @param datat 为html,json,text
* @param callback 回调函数 function callBack(data)
* @return
*/
jQuery.mJqAjax = function (url, param, datat, callback) {
$.ajax({
type: "post",
url: url,
data: param,
dataType: datat,
success: callback,
error: function () { }
});
};
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