## utils =>http.js
```
var tips = {
1: "没有网络",
999: "无效的请求",
5000: "没有这些电影"
}
function http(params) {
/*params 对象包含 url,success,method,data */
if(!params.method){
params.method ="GET";
}
wx.request({
url:params.url,
method:params.method,
data:params.data,
header: {
'Content-Type': 'json'
},
success: function (res) {
var statusCode = res.statusCode.toString();
if (statusCode.startsWith("2")) {
params.success(res.data);
} else {
var errorCode = res.data.code;
_show_error(errorCode);
}
},
fail: err => {
_show_error(1);
}
})
}
function _show_error(errorCode) {
wx.showToast({
title: tips[errorCode],
icon: "none",
duration: 2000
})
}
export {
http
};
```
## index.js
```
import {
http} from "../../utils/http";
const app = getApp()
Page({
data: {
movies: []
},
onLoad() {
var url = "https://douban.uieee.com/v2/movie/top250";
wx.showNavigationBarLoading();
http({
url,
success: res => {
this.handleData(res);
}
})
},
})
```
