signMd5Utils.js
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import md5 from 'md5'
//签名密钥串(前后端要一致，正式发布请自行修改)
const signatureSecret = "dd05f1c54d63749eda95f9fa6d49v442a";
export default class signMd5Utils {
/**
* json参数升序
* @param jsonObj 发送参数
*/
static sortAsc(jsonObj) {
let arr = new Array();
let num = 0;
for (let i in jsonObj) {
arr[num] = i;
num++;
}
let sortArr = arr.sort();
let sortObj = {};
for (let i in sortArr) {
sortObj[sortArr[i]] = jsonObj[sortArr[i]];
}
return sortObj;
}
/**
* @param url 请求的url,应该包含请求参数(url的?后面的参数)
* @param requestParams 请求参数(POST的JSON参数)
* @returns {string} 获取签名
*/
static getSign(url, requestParams) {
let urlParams = this.parseQueryString(url);
let jsonObj = this.mergeObject(urlParams, requestParams);
//console.log("sign jsonObj: ",jsonObj)
let requestBody = this.sortAsc(jsonObj);
console.log("sign requestBody: ",requestBody)
return md5(JSON.stringify(requestBody) + signatureSecret).toUpperCase();
}
/**
* @param url 请求的url
* @returns {{}} 将url中请求参数组装成json对象(url的?后面的参数)
*/
static parseQueryString(url) {
let urlReg = /^[^\?]+\?([\w\W]+)$/,
paramReg = /([^&=]+)=([\w\W]*?)(&|$|#)/g,
urlArray = urlReg.exec(url),
result = {};
// 获取URL上最后带逗号的参数变量 sys/dict/getDictItems/sys_user,realname,username
//【这边条件没有encode】带条件参数例子：/sys/dict/getDictItems/sys_user,realname,id,username!='admin'%20order%20by%20create_time
let lastpathVariable = url.substring(url.lastIndexOf('/') + 1);
if(lastpathVariable.includes(",")){
if(lastpathVariable.includes("?")){
lastpathVariable = lastpathVariable.substring(0, lastpathVariable.indexOf("?"));
}
//解决Sign 签名校验失败 #2728
result["x-path-variable"] = decodeURIComponent(lastpathVariable);
}
if (urlArray && urlArray[1]) {
let paramString = urlArray[1], paramResult;
while ((paramResult = paramReg.exec(paramString)) != null) {
//数字值转为string类型，前后端加密规则保持一致
if(this.myIsNaN(paramResult[2])){
paramResult[2] = paramResult[2].toString()
}
result[paramResult[1]] = paramResult[2];
}
}
return result;
}
/**
* @returns {*} 将两个对象合并成一个
*/
static mergeObject(objectOne, objectTwo) {
if (objectTwo && Object.keys(objectTwo).length > 0) {
for (let key in objectTwo) {
if (objectTwo.hasOwnProperty(key) === true) {
//数字值转为string类型，前后端加密规则保持一致
if(this.myIsNaN(objectTwo[key])){
objectTwo[key] = objectTwo[key].toString()
}
objectOne[key] = objectTwo[key];
}
}
}
return objectOne;
}
static urlEncode(param, key, encode) {
if (param == null) return '';
let paramStr = '';
let t = typeof (param);
if (t == 'string' || t == 'number' || t == 'boolean') {
paramStr += '&' + key + '=' + ((encode == null || encode) ? encodeURIComponent(param) : param);
} else {
for (let i in param) {
let k = key == null ? i : key + (param instanceof Array ? '[' + i + ']' : '.' + i);
paramStr += this.urlEncode(param[i], k, encode);
}
}
return paramStr;
};
static getDateTimeToString() {
const date_ = new Date()
const year = date_.getFullYear()
let month = date_.getMonth() + 1
let day = date_.getDate()
if (month < 10) month = '0' + month
if (day < 10) day = '0' + day
let hours = date_.getHours()
let mins = date_.getMinutes()
let secs = date_.getSeconds()
const msecs = date_.getMilliseconds()
if (hours < 10) hours = '0' + hours
if (mins < 10) mins = '0' + mins
if (secs < 10) secs = '0' + secs
if (msecs < 10) secs = '0' + msecs
return year + '' + month + '' + day + '' + hours + '' + mins + '' + secs
}
// true:数值型的，false：非数值型
static myIsNaN(value) {
return typeof value === 'number' && !isNaN(value);
}
}