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wx-applets-request

v1.0.3

Published

微信小程序请求封装

Readme

安装

npm install wx-applets-request

导入

// 按需导入 $http 对象 在微信的app.js文件中引入
import { $http } from 'wx-applets-request'

// 在uniapp项目中 需要将wx-applets-request包放到与pages平级处,在main.js中引入
import { $http } from 'wx-applets-request'

// 将按需导入的 $http 挂载到 wx 顶级对象之上,方便全局调用
wx.$http = $http

// 在 uni-app 项目中,可以把 $http 挂载到 uni 顶级对象之上,方便全局调用
uni.$http = $http

使用

使用方法

// 主要在微信开发者工具内使用,简化微信小程序发送请求
// 如果使用异步请求 需要在函数前使用async,在wx.$http.get(url, data)前使用await

支持的请求方法

// 发起 GET 请求,data 是可选的参数对象 可以使用es6解构赋值
const { data:res } = wx.$http.get(url, data)

// 发起 POST 请求,data 是可选的参数对象
const { data:res } = wx.$http.post(url, data)

// 发起 PUT 请求,data 是可选的参数对象
const { data:res } = wx.$http.put(url, data)

// 发起 DELETE 请求,data 是可选的参数对象
const { data:res } = wx.$http.delete(url, data)

配置请求根路径

$http.baseUrl = 'https://www.example.com'

请求拦截器

// 请求开始之前做一些事情
$http.beforeRequest = function (options) {
  // do somethimg...
}

例 1,展示 loading 效果:

// 请求开始之前做一些事情
$http.beforeRequest = function (options) {
  wx.showLoading({
    title: '数据加载中...',
  })
}

例 2,自定义 header 请求头:

// 请求开始之前做一些事情 类似vue的请求拦截器
$http.beforeRequest = function (options) {
  if (options.url.indexOf('/home/catitems') !== -1) {
    options.header = {
      'X-Access-Token': 'AAA',
    }
  }
}

响应拦截器

// 请求完成之后做一些事情
$http.afterRequest = function () {
  // do something...
}

例如,隐藏 loading 效果:

// 请求完成之后做一些事情
$http.afterRequest = function () {
  wx.hideLoading()
}