ajax请求——XMLHttpRequest请求

 个人练习笔记-----Ajax01

一、GET

    
    
    


    
内容
    发送请求
    

 https://v5.crmeb.net/api/groom/list/3?page=1&limit=9  ------协议：// 域名 / 地址？参数

1.xhr.open("GET","https://v5.crmeb.net/api/groom/list/3?page=1&limit=9");对应的参数从下图中所示中获取

2.xhr.setRequestHeader("Content-Type","application/json");//验证身份

xhr.setRequestHeader("Authori-Zation","Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJwd2QiOiJkNDFkOGNkOThmMDBiMjA0ZTk4MDA5OThlY2Y4NDI3ZSIsImlzcyI6InY1LmNybWViLm5ldCIsImF1ZCI6InY1LmNybWViLm5ldCIsImlhdCI6MTcwMzQ4ODk3MCwibmJmIjoxNzAzNDg4OTcwLCJleHAiOjE3MDYwODA5NzAsImp0aSI6eyJpZCI6NTA2NzYsInR5cGUiOiJhcGkifX0.HAvGkn0unJ6XvBjC_fp5WOkCPOu7qlNxwedmJAF5wOk")

在请求头中查找 ，具体解释在开头代码中

Content-Type : application/json;//字符串（参数）格式

二、POST

    
    
    


    购物车+1
    

发送请求

xhr.send(JSON.stringify({id:4821,number:7}));//携带的参数