componet-service-framework
Version:
466 lines (387 loc) • 11.7 kB
JavaScript
/**
* Copyright(C),
* FileName: utils.js
* Author: sxt
* Version: 1.0.0
* Date: 2015/10/22 16:26
* Description:
*/
;
var crypto = require('crypto');
var uuid = require('uuid');
//var chai = require('chai');
//var expect = chai.expect;
const moment = require('moment');
const _ = require('lodash');
var url = require('url');
var fs = require('fs');
var path = require("path");
exports.getUUIDInHref = function(href, reg, lastReg) {
var serviceReg = new RegExp(reg);
var serviceResult = serviceReg.exec(href);
var subStr = href.substr(serviceResult['index'] + serviceResult[0].length);
if(!lastReg){
return subStr;
}
serviceReg = new RegExp(lastReg);
serviceResult = serviceReg.exec(subStr);
return subStr.substr(0, serviceResult['index']);
};
exports.getResourceUUIDInURL = (url,name)=>{
let reg = new RegExp( name );
let result = reg.exec(url);
if( !result ) return null;
let subStr = url.substr(result['index'] + result[0].length+1);
result = (new RegExp('/')).exec(subStr);
if(!result) return subStr;
subStr = subStr.substr(0,result['index']);
return subStr;
};
exports.getLastResourceUUIDInURL = (url)=>{
let reg = /\/[\w]{22}$/;
let result = reg.exec(url);
if( !result ) return null;
return result[0].substr(1);
};
exports.createUUID = ()=>{
let uuid_md5 = null;
do{
let md5 = crypto.createHash('md5');
uuid_md5 = md5.update(`${uuid.v1()}-${uuid.v4()}`).digest('base64');
}while( uuid_md5.indexOf('/') != -1 || uuid_md5.indexOf('+') != -1);
return uuid_md5.substr(0, uuid_md5.length-2);
};
exports.uuid2number = (uuid)=>{
let number = Array.from(uuid).reduce((ret,char,i)=>{
return ret + (char.charCodeAt(0)-"0".charCodeAt(0))*Math.pow(2,(i%19+1));
},0);
return _.padStart(number,8,'0');
}
var UUIDReg = new RegExp('[a-z0-9A-Z]{22}');
exports.checkUUID = (uuid)=>{
if(UUIDReg.test(uuid)){
return true;
}
return false;
};
exports.ifReturnTrue = function (value) {
return value ? true : false;
};
exports.ifReturnStr = function (value, str) {
return value ? value : (str ? str : '');
};
exports.ifReturnNum = function (value, num) {
return value ? value : (num ? num : 0);
};
exports.ifReturnJson = function(value, json) {
return value ? JSON.stringify(value) : (json ? json : "{}");
};
exports.parseUrlParam=function(href){
var query,data = {};
href=href.split('?');
if(href.length>1){
query=href[1];
if (!query) return false;
query = query.split('&');
query.forEach(function (ele) {
var tmp = ele.split('=');
data[ decodeURIComponent( tmp[0] ) ] = decodeURIComponent( tmp[1] === undefined ? '' : tmp[1] );
});
}
return data;
};
exports.convertStrToArray = function(value, speliter) {
if(_.isArray(value) && value)
{
return value;
}
else if(_.isString(value) && value)
{
return value.replace(/(\[)|(\])|(\")/g,"").split(speliter);
}
else
{
return null;
}
};
exports.getUrlPath=function(href){
var data ;
let result=href.split('?');
if(result.length>1){
data = result[0];
}
else
{
data = href;
}
return data;
};
exports.convertDateTime = function(timeStr) {
return moment(timeStr).format('YYYY-MM-DD HH:mm:ss');
};
exports.getUrlInfo = function(urlStr) {
return url.parse(urlStr);
};
exports.replaceUrlHost =function (resourceJSON, oldHost, newHost) {
// console.log('graftExpandResources start resourceJSON:'+ JSON.stringify(resourceJSON) );
if(_.isArrayLikeObject(resourceJSON))
{
resourceJSON.map((items,index)=>
{
// console.log('graftExpandResources list element items:'+ JSON.stringify(items) );
this.replaceUrlHost(resourceJSON[index],oldHost,newHost);
});
return;
}
_.keys(resourceJSON).map((item)=> {
if (_.isString(resourceJSON[item]))
{
resourceJSON[item] = resourceJSON[item].replace(oldHost,newHost);
}
else if (_.isObject(resourceJSON[item])) {
// console.log('graftExpandResources object element items:'+ JSON.stringify(resourceJSON[item]) );
this.replaceUrlHost(resourceJSON[item], oldHost, newHost);
}
});
};
exports.checkRequiredParams = function(obj,keys){
let error = null;
let s = keys.some( key =>{
if( ! _.has(obj,key)){
error = new Error();
error.name = 'Error';
error.status = 400;
error.code = errorCodeTable.missingParam2Code( key );
error.message = errorCodeTable.errorCode2Text( error.code );
error.description = `Missing param '${key}'`;
return true;
}
});
if(error) throw error;
};
exports.encrypt = function(data, password){
const cipher = crypto.createCipher('aes192', password);
let encrypted = cipher.update(data, 'utf8', 'hex');
encrypted += cipher.final('hex');
return encrypted;
};
exports.decrypt = function(data, password){
const decipher = crypto.createDecipher('aes192', password);
var decrypted = decipher.update(data, 'hex', 'utf8');
decrypted += decipher.final('utf8');
return decrypted;
}
exports.removeNullProperties = function(resource,bUndefined =true){
let nullKeys = [];
_.keys(resource).map((item)=> {
if(bUndefined)
{
if (typeof(resource[item]) == "undefined") {
//console.log('removeNullProperties key is null value:' + item);
nullKeys.push(item);
}
}
else
{
if (_.isString(resource[item])) {
if (_.isNil(resource[item]) || resource[item].length <= 0)
{
//console.log('removeNullProperties key is null value:' + item);
nullKeys.push(item);
}
}
else if (!resource[item])
{
//console.log('removeNullProperties key is null object:' + item);
nullKeys.push(item);
}
}
});
nullKeys.forEach(item=>
{
delete resource[item];
});
};
exports.RandomNumBoth = function (Min,Max){
var Range = Max - Min;
var Rand = Math.random();
var num = Min + Math.round(Rand * Range); //四舍五入
return num;
}
exports.MakeRandomNumber = function (Cnt)
{
let result = '';
let first = this.RandomNumBoth(1,9);
result += first;
for(let i = 1;i < Cnt; i ++)
{
let t = this.RandomNumBoth(0,9);
result += t;
}
return result;
}
exports.splitTwoListDiff = function (oldObjList,newObjList)
{
let result = {
addResults : [],
delResults :[]
};
oldObjList.forEach(oldItem=>
{
//如果老的列表中记录在新的列表中找不到的话， 则是要删除掉的。
if (newObjList.indexOf(oldItem) == -1)
{
result.delResults.push(oldItem);
}
});
newObjList.forEach(newItem=>
{
//如果新的列表中记录在老的列表中找不到的话，则是要添加的。
if(oldObjList.indexOf(newItem)== -1)
{
result.addResults.push(newItem);
}
});
return result;
}
exports.getResourceUUIDExtraInURL = (url,name)=>{
let firstIndex = url.indexOf(name);
if( firstIndex== -1 ) return null;
let lastIndex = url.indexOf('/',firstIndex + name.length);
if(lastIndex == -1)
{
return url.substring(firstIndex + name.length,url.length -1);
}
else
{
return url.substring(firstIndex + name.length,lastIndex-1);
}
};
exports.getAttrFromObj = (obj,key,def)=>{
if(obj[key])
{
return obj[key];
}
else
{
return def;
}
};
exports.getTimeStr = function (date,bHasSeperator) {
let format = bHasSeperator ? 'YYYY-MM-DD HH:mm:ss':'YYYYMMDDHHmmss';
let dateTime = moment(date).format(format);
return dateTime;
}
exports.getDateStr = function (date,bHasSeperator) {
let format = bHasSeperator ? 'YYYY-MM-DD':'YYYYMMDD';
let dateTime = moment(date).format(format);
return dateTime;
}
exports.addTimeToFileName = function (fileName) {
let curDate = this.getTimeStr(new Date(),false);
let fileStrs = fileName.split('.');
if(fileStrs.length >=2)
{
return fileStrs[0]+ '_' + curDate + '.' + fileStrs[1];
}
else
{
return fileName + curDate;
}
}
// 判断日志目录是否存在，不存在时创建日志目录
exports.checkAndCreateDir = function (dir){
if(fs.existsSync(dir)){
return true;
}else{
if(this.checkAndCreateDir(path.dirname(dir))){
fs.mkdirSync(dir);
return true;
}
}
}
exports.getSubStrs= function (srcStr,beginStr,endStr)
{
let beginIndex = srcStr.indexOf(beginStr);
if(beginIndex < 0)
{
return null;
}
if(!endStr)
{
return srcStr.substr(beginIndex)
}
else
{
let endIndex = srcStr.indexOf(endStr,beginIndex);
if(endIndex < 0)
{
return null;
}
return srcStr.substr(beginIndex,endIndex -beginIndex);
}
}
exports.copyObjSaveSomeAttrs = function (srcObj,saveAttrs){
let destObj = {};
for(let key in srcObj)
{
if(saveAttrs.indexOf(key) >= 0)
{
destObj[key] = srcObj[key];
}
}
return destObj;
}
exports.convertFloatToInt = function (data){
let test = 'sinle';
test += 'lpy';
return destObj;
}
exports.excludeAttrData = function (dataInfo, excludeAttribute) {
let retDataInfo = {};
for (var item in dataInfo) {
if(!_.find(excludeAttribute, key=>item==key )){
retDataInfo[item] = dataInfo[item];
}
}
return retDataInfo;
};
exports.convert2ReturnData = function (retDataInfo, dataInfo, excludeAttribute) {
for (var item in dataInfo) {
if(!_.find(excludeAttribute, key=>item==key )){
retDataInfo[item] = dataInfo[item];
}
}
};
exports.addTime = function(srcDate,sepeliterTime)
{
let curDate = srcDate;
curDate = curDate.valueOf();
curDate = curDate +sepeliterTime;
let newDate = new Date(curDate);
return newDate;
}
exports.extendSpecNotExistAttr = function (destData, srcData, includeAttribute) {
includeAttribute.map(key=>{
if(_.isEmpty(destData[key]) && srcData[key])
{
destData[key] = srcData[key];
}
})
return destData;
};
exports.generateNonticeStr = function(len)
{
let SYMBOLS = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
let nonceChars = '';
for (let index = 0; index < len; ++index) {
nonceChars += SYMBOLS[_.random(0, SYMBOLS.length - 1)];
}
return nonceChars;
}
exports.md5 = function (str) {
var md5sum = crypto.createHash('md5');
md5sum.update(str);
let md5str = md5sum.digest('hex');
return md5str;
};