yunshangxie/util/requestManager.js

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JavaScript
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class RequestManager {
constructor() {
this.idMap = new Map()
}
/**
* 生成唯一ID并将ID和请求信息存储到map对象中
* @param {string} method - 请求方法
* @param {string} url - 请求URL
* @param {object} params - 请求参数
* @returns {string|boolean} - 生成的唯一ID如果存在相同请求则返回false
*/
generateId(method, url, params) {
const id = this.generateUniqueId(method, url, params)
if (this.idMap.has(id)) {
return false
}
this.idMap.set(id, { method, url, params })
return id
}
/**
* 根据ID删除map对象中的请求信息
* @param {string} id - 要删除的唯一ID
*/
deleteById(id) {
this.idMap.delete(id)
}
/**
* 生成唯一ID的方法
* @param {string} method - 请求方法
* @param {string} url - 请求URL
* @param {object} params - 请求参数
* @returns {string} - 生成的唯一ID
*/
generateUniqueId(method, url, params) {
const idString = `${method}-${url}-${this.serializeObject(params)}`
let id = 0;
for (let i = 0; i < idString.length; i++) {
id = ((id << 5) - id) + idString.charCodeAt(i)
id |= 0;
}
return id.toString()
}
/**
* 序列化对象为字符串
* @param {object} obj - 要序列化的对象
* @returns {string} - 序列化后的字符串
*/
serializeObject(obj) {
const keys = Object.keys(obj).sort()
const serializedObj = {}
for (let key of keys) {
const value = obj[key]
if (value !== null && typeof value === 'object') {
serializedObj[key] = this.serializeObject(value)
} else {
serializedObj[key] = value
}
}
return JSON.stringify(serializedObj)
}
}
export default RequestManager