共通脚本utils

/**
* 模块名：共通脚本
* 程序名: 通用工具函数
**/var utils = {};/**
* 格式化字符串
* 用法:
.formatString("{0}-{1}","a","b");
*/
utils.formatString = function () {
for (var i = 1; i < arguments.length; i++) {
var exp = new RegExp('\\{' + (i - 1) + '\\}', 'gm');
arguments[0] = arguments[0].replace(exp, arguments[i]);
}
return arguments[0];
};/**
* 格式化时间显示方式
* 用法:format="yyyy-MM-dd hh:mm:ss";
*/
utils.formatDate = function (v, format) {
if (!v) return "";
var d = v;
if (typeof v === 'string') {
if (v.indexOf("/Date(") > -1)
d = new Date(parseInt(v.replace("/Date(", "").replace(")/", ""), 10));
else
d = new Date(Date.parse(v.replace(/-/g, "/").replace("T", " ").split(".")[0]));//.split(".")[0] 用来处理出现毫秒的情况，截取掉.xxx，否则会出错
}
var o = {
"M+": d.getMonth() + 1, //month
"d+": d.getDate(), //day
"h+": d.getHours(), //hour
"m+": d.getMinutes(), //minute
"s+": d.getSeconds(), //second
"q+": Math.floor((d.getMonth() + 3) / 3), //quarter
"S": d.getMilliseconds() //millisecond
};
if (/(y+)/.test(format)) {
format = format.replace(RegExp.$1, (d.getFullYear() + "").substr(4 - RegExp.$1.length));
}
for (var k in o) {
if (new RegExp("(" + k + ")").test(format)) {
format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length));
}
}
return format;
};/**
* 检查是否为年月的日期格式
*/
utils.checkYearMonthDate = function (v) {
var reg = /^(\d{4})-(\d{2})$/;
var result = v.match(reg);
if (result == null) {
return false
}
else {
return true
}
};/**
* 检查是否为年月日的日期格式
*/
utils.checkYearMonthDayDate = function (v) {
var reg = /^(\d{4})-(\d{2})-(\d{2})$/;
var result = v.match(reg);
if (result == null) {
return false
}
else {
return true
}
};/**
* 格式化数字显示方式
* 用法
* formatNumber(12345.999,'#,##0.00');
* formatNumber(12345.999,'#,##0.##');
* formatNumber(123,'000000');
*/
utils.formatNumber = function (v, pattern) {
if (v == null)
return v;
var strarr = v ? v.toString().split('.') : ['0'];
var fmtarr = pattern ? pattern.split('.') : [''];
var retstr = '';
// 整数部分
var str = strarr[0];
var fmt = fmtarr[0];
var i = str.length - 1;
var comma = false;
for (var f = fmt.length - 1; f >= 0; f--) {
switch (fmt.substr(f, 1)) {
case '#':
if (i >= 0) retstr = str.substr(i--, 1) + retstr;
break;
case '0':
if (i >= 0) retstr = str.substr(i--, 1) + retstr;
else retstr = '0' + retstr;
break;
case ',':
comma = true;
retstr = ',' + retstr;
break;
}
}
if (i >= 0) {
if (comma) {
var l = str.length;
for (; i >= 0; i--) {
retstr = str.substr(i, 1) + retstr;
if (i > 0 && ((l - i) % 3) == 0) retstr = ',' + retstr;
}
}
else retstr = str.substr(0, i + 1) + retstr;
}
retstr = retstr + '.';
// 处理小数部分
str = strarr.length > 1 ? strarr[1] : '';
fmt = fmtarr.length > 1 ? fmtarr[1] : '';
i = 0;
for (var f = 0; f < fmt.length; f++) {
switch (fmt.substr(f, 1)) {
case '#':
if (i < str.length) retstr += str.substr(i++, 1);
break;
case '0':
if (i < str.length) retstr += str.substr(i++, 1);
else retstr += '0';
break;
}
}
return retstr.replace(/^,+/, '').replace(/\.$/, '');
};/**
* json格式转树状结构
* @param {json} json数据
* @param {String} id的字符串
* @param {String} 父id的字符串
* @param {String} children的字符串
* @return {Array} 数组
*/
utils.toTreeData = function (a, idStr, pidStr, childrenStr) {
var r = [], hash = {}, len = (a || []).length;
for (var i = 0; i < len; i++) {
hash[a[i][idStr]] = a[i];
}
for (var j = 0; j < len; j++) {
var aVal = a[j], hashVP = hash[aVal[pidStr]];
if (hashVP) {
!hashVP[childrenStr] && (hashVP[childrenStr] = []);
hashVP[childrenStr].push(aVal);
} else {
r.push(aVal);
}
}
return r;
};utils.eachTreeRow = function (treeData, eachHandler) {
for (var i in treeData) {
if (eachHandler(treeData[i]) == false) break;
if (treeData[i].children)
utils.eachTreeRow(treeData[i].children, eachHandler);
}
};utils.isInChild = function (treeData, pid, id) {
var isChild = false;
utils.eachTreeRow(treeData, function (curNode) {
if (curNode.id == pid) {
utils.eachTreeRow([curNode], function (row) {
if (row.id == id) {
isChild = true;
return false;
}
});
return false;
}
});
return isChild;
};utils.fnValueToText = function (list, value, text) {
var map = {};
for (var i in list) {
map[list[i][value || 'value']] = list[i][text || 'text'];
}
var fnConvert = function (v, r) {
return map[v];
};
return fnConvert;
};utils.compareObject = function (v1, v2) {
var countProps = function (obj) {
var count = 0;
for (k in obj) if (obj.hasOwnProperty(k)) count++;
return count;
}; if (typeof (v1) !== typeof (v2)) {
return false;
} if (typeof (v1) === "function") {
return v1.toString() === v2.toString();
} if (v1 instanceof Object && v2 instanceof Object) {
if (countProps(v1) !== countProps(v2)) {
return false;
}
var r = true;
for (k in v1) {
r = utils.compareObject(v1[k], v2[k]);
if (!r) {
return false;
}
}
return true;
} else {
return v1 === v2;
}
};utils.minusArray = function (arr1, arr2) {
var arr = [];
for (var i in arr1) {
var b = true;
for (var j in arr2) {
if (utils.compareObject(arr1[i], arr2[j])) {
b = false;
break;
}
}
if (b) {
arr.push(arr1[i]);
}
}
return arr;
};utils.diffrence = function (obj1, obj2, reserve, ignore) {
var obj = {}, reserve = reserve || [], ignore = ignore || [], reserveMap = {}, ignoreMap = {};
for (var i in reserve)
reserveMap[reserve[i]] = true; for (var i in ignore)
ignoreMap[ignore[i]] = true; for (var k in obj1) {
if (!ignoreMap[k] && (obj1[k] != obj2[k] || reserveMap[k])) {
obj[k] = obj1[k];
}
}
return obj;
};utils.filterProperties = function (obj, props, ignore) {
var ret;
if (obj instanceof Array || Object.prototype.toString.call(obj) === "[object Array]") {
ret = [];
for (var k in obj) {
ret.push(utils.filterProperties(obj[k], props, ignore));
}
}
else if (typeof obj === 'object') {
ret = {};
if (ignore) {
var map = {};
for (var k in props)
map[props[k]] = true; for (var i in obj) {
if (!map[i]) ret[i] = obj[i];
}
}
else {
for (var i in props) {
var arr = props[i].split(" as ");
ret[arr[1] || arr[0]] = obj[arr[0]];
}
}
}
else {
ret = obj;
}
return ret;
};utils.copyProperty = function (obj, sourcePropertyName, newPropertyName, overWrite) {
if (obj instanceof Array || Object.prototype.toString.call(obj) === "[object Array]") {
for (var k in obj)
utils.copyProperty(obj[k], sourcePropertyName, newPropertyName);
}
else if (typeof obj === 'object') {
if (sourcePropertyName instanceof Array || Object.prototype.toString.call(sourcePropertyName) === "[object Array]") {
for (var i in sourcePropertyName) {
utils.copyProperty(obj, sourcePropertyName[i], newPropertyName[i]);
}
}
else if (typeof sourcePropertyName === 'string') {
if ((obj[newPropertyName] && overWrite) || (!obj[newPropertyName]))
obj[newPropertyName] = obj[sourcePropertyName];
}
}
return obj;
};utils.clearIframe = function (context) {
var frame = $('iframe', context).add(parent.$('iframe', context));
if (frame.length > 0) {
frame[0].contentWindow.document.write('');
frame[0].contentWindow.close();
frame.remove();
if ($.browser.msie) {
CollectGarbage();
}
}
};utils.getThisIframe = function () {
if (!parent) return null;
var iframes = parent.document.getElementsByTagName('iframe');
if (iframes.length == 0) return null;
for (var i = 0; i < iframes.length; ++i) {
var iframe = iframes[i];
if (iframe.contentWindow === self) {
return iframe;
}
}
return null;
}utils.functionComment = function (fn) {
return fn.toString().replace(/^.*\r?\n?.*\/\*|\*\/([.\r\n]*).+?$/gm, '');
};utils.uuid = (function () { var a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".split(""); return function (b, f) { var h = a, e = [], d = Math.random; f = f || h.length; if (b) { for (var c = 0; c < b; c++) { e[c] = h[0 | d() * f]; } } else { var g; e[8] = e[13] = e[18] = e[23] = "-"; e[14] = "4"; for (var c = 0; c < 36; c++) { if (!e[c]) { g = 0 | d() * 16; e[c] = h[(c == 19) ? (g & 3) | 8 : g & 15]; } } } return e.join("").toLowerCase(); }; })();utils.getRequest = function (name, url) {
var url = url || window.location.href;
var theRequest = new Object();
if (url.indexOf("?") != -1) {
var str = url.split("?")[1];
strs = str.split("&");
for (var i = 0; i < strs.length; i++) {
theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);
}
}
return theRequest[name];
};//JOSN数组去重的算法 JS
utils.unique = function (arr) {
var result = [], hash = {};
for (var i = 0, elem; (elem = arr[i]) != null; i++) {
if (!hash[elem]) {
result.push(elem);
hash[elem] = true;
}
}
return result;
}//四舍五入，保留小数位
utils.xround = function (x, num) {
x = Math.round(x * Math.pow(10, num)) / Math.pow(10, num);
return x;
}//获取地址栏参数
utils.GetQueryString = 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;
}