前端常用的通用方法javascript.common.js
在项目开发过程中，常遇到一样的方法，这时候就可以封装起来
PS：其实也过了好久，这里都已经不是最新的了
'use strict';
var JavascriptCommon = {
/**
* 剪切字符串
* @ str 原字符串
* @ 最大长度
*/
MsgCutWord: function (str, num) {
if (str == null) { str = ""; }
var result = str;
var wordLength = str.length;
if (wordLength > num) {
result = str.substr(0, num);
result += "...";
}
return (result);
},
/**
* 修改日期格式年月日
* @ jsondate json日期
* @ splitchar 分隔符
*/
ChangeDateFormat: function (jsondate, splitchar) {
if (!jsondate) { return ""; }
jsondate = jsondate.replace("/Date(", "").replace(")/", "");
if (jsondate.indexOf("+") > 0) {
jsondate = jsondate.substring(0, jsondate.indexOf("+"));
}
else if (jsondate.indexOf("-") > 0) {
jsondate = jsondate.substring(0, jsondate.indexOf("-"));
}
var date = new Date(parseInt(jsondate, 10));
var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1;
var currentDate = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
return date.getFullYear() + splitchar + month + splitchar + currentDate;
},
/**
* 修改日期格式年月日
* @ jsondate json日期
* @ splitchar 分隔符
*/
ChangeDateFormat_hhmmss: function (jsondate, splitchar) {
if (!jsondate) { return ""; }
jsondate = jsondate.replace("/Date(", "").replace(")/", "");
if (jsondate.indexOf("+") > 0) {
jsondate = jsondate.substring(0, jsondate.indexOf("+"));
}
else if (jsondate.indexOf("-") > 0) {
jsondate = jsondate.substring(0, jsondate.indexOf("-"));
}
var date = new Date(parseInt(jsondate, 10));
var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1;
var currentDate = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
var hh = date.getHours() < 10 ? "0" + date.getHours() : date.getHours();
var mm = date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes();
return date.getFullYear() + splitchar + month + splitchar + currentDate + " " + hh + ":" + mm;
},
/**
* 获得当天对应的天数
* @ jsondate json日期
* @ splitchar 分隔符
*/
GetDateDay: function (jsondate) {
if (!jsondate) { return ""; }
jsondate = jsondate.replace("/Date(", "").replace(")/", "");
if (jsondate.indexOf("+") > 0) {
jsondate = jsondate.substring(0, jsondate.indexOf("+"));
}
else if (jsondate.indexOf("-") > 0) {
jsondate = jsondate.substring(0, jsondate.indexOf("-"));
}
var date = new Date(parseInt(jsondate, 10));
return date.getDate();
},
/**
* 设置Cookie 【js版】
* @ name 名称
* @ value 内容
* @ time 保存时间
* @ path [可选] 路径
* 删除时time传 -1
*/
MsgSetCookie: function (name, value, time, path) {
path = path || "";
var d = new Date();
d.setTime(d.getTime() + (time * 24 * 60 * 60 * 1000));
var expires = "expires=" + d.toUTCString();
path = "path=" + path;
document.cookie = name + "=" + value + "; " + expires + "; " + path;
},
/**
* 读取Cookie 【js版】
* @ name 名称
*/
MsgGetCookie: function (name) {
name = (name + "=");
var ca = document.cookie.split(';');
for (var i = 0; i < ca.length; i++) {
var c = ca[i];
while (c.charAt(0) == ' ') c = c.substring(1);
if (c.indexOf(name) != -1) return c.substring(name.length, c.length);
}
return "";
},
/**
* 生成Guid 唯一主键
* 把英文和-全部替换成纯数字
*/
Guid: function () {
var result = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
var r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
return result.replace(/-/ig, parseInt(Math.random() * 10)).replace(/[a-zA-Z]/ig, parseInt(Math.random() * 10));
},
/**
* Base64加密解密类
* @ .encode() 加密
* @ .decode() 解密
*/
Base64: function () {
var _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
this.encode = function (input) {
input = input || "";
var output = "";
var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
var i = 0;
input = _utf8_encode(input);
while (i < input.length) {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output +
_keyStr.charAt(enc1) + _keyStr.charAt(enc2) +
_keyStr.charAt(enc3) + _keyStr.charAt(enc4);
}
return output;
};
this.decode = function (input) {
input = input || "";
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
while (i < input.length) {
enc1 = _keyStr.indexOf(input.charAt(i++));
enc2 = _keyStr.indexOf(input.charAt(i++));
enc3 = _keyStr.indexOf(input.charAt(i++));
enc4 = _keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 != 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 != 64) {
output = output + String.fromCharCode(chr3);
}
}
output = _utf8_decode(output);
return output;
};
var _utf8_encode = function (string) {
string = string.replace(/\r\n/g, "\n");
var utftext = "";
for (var n = 0; n < string.length; n++) {
var c = string.charCodeAt(n);
if (c < 128) {
utftext += String.fromCharCode(c);
} else if ((c > 127) && (c < 2048)) {
utftext += String.fromCharCode((c >> 6) | 192);
utftext += String.fromCharCode((c & 63) | 128);
} else {
utftext += String.fromCharCode((c >> 12) | 224);
utftext += String.fromCharCode(((c >> 6) & 63) | 128);
utftext += String.fromCharCode((c & 63) | 128);
}
}
return utftext;
};
var _utf8_decode = function (utftext) {
var string = "";
var i = 0;
var c = c1 = c2 = 0;
while (i < utftext.length) {
c = utftext.charCodeAt(i);
if (c < 128) {
string += String.fromCharCode(c);
i++;
} else if ((c > 191) && (c < 224)) {
c2 = utftext.charCodeAt(i + 1);
string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
i += 2;
} else {
c2 = utftext.charCodeAt(i + 1);
c3 = utftext.charCodeAt(i + 2);
string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
i += 3;
}
}
return string;
};
},
/**
* 打印对象属性和方法
* @ obj 对象
*/
ShowObjectAttr: function (obj) {
for (var name in obj) {
console.log(name + ": " + obj[name]);
}
},
/**
* 获取纯文字
* @ html 富文本/html标签
* @ length 长度 可选[默认全部]
*/
MsgGetPureText: function (html, length) {
var text = html.replace(/<[^>]+>/g, "");
length = isNaN(length) ? text.length : length;
return text.substring(0, length) + "...";
},
/**
* 翻译状态
* @ state
*/
TranslateState: function (state) {
switch (state) {
case "0": return "待受理";
case "1": return "待受理";
case "2": return "已受理";
case "3": return "不受理";
case "4": return "已取消";
case "5": return "被取消";
default: return "未定义";
}
},
/**
* 邮件判断
*/
ValidateEmail: function (email) {
var myreg = /^([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+\.[a-zA-Z]{2,3}$/;
return myreg.test(email);
},
/**
* 电话判断
* @ phone
*/
ValidatePhone: function (phone) {
var myreg = /^(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1}))+\d{8})$/;
return myreg.test(phone);
}
};
