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app.js
40
app.js
@ -4,6 +4,46 @@ dbs = require("./bin/mongodb.js")('mongodb://localhost:27017/ceshikaoshi',"ceshi
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// console.log(requter)
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// import requter from "./bin/router"
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const app = new Koa();
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app.use(async (ctx, next) => {
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// 允许来自所有域名请求
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ctx.set("Access-Control-Allow-Origin", "*");
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// 这样就能只允许 http://localhost:8080 这个域名的请求了
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// ctx.set("Access-Control-Allow-Origin", "http://localhost:8080");
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// 设置所允许的HTTP请求方法
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ctx.set("Access-Control-Allow-Methods", "OPTIONS, GET, PUT, POST, DELETE");
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// 字段是必需的。它也是一个逗号分隔的字符串,表明服务器支持的所有头信息字段.
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ctx.set("Access-Control-Allow-Headers", "x-requested-with, accept, origin, content-type");
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// 服务器收到请求以后,检查了Origin、Access-Control-Request-Method和Access-Control-Request-Headers字段以后,确认允许跨源请求,就可以做出回应。
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// Content-Type表示具体请求中的媒体类型信息
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ctx.set("Content-Type", "application/json;charset=utf-8");
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// 该字段可选。它的值是一个布尔值,表示是否允许发送Cookie。默认情况下,Cookie不包括在CORS请求之中。
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// 当设置成允许请求携带cookie时,需要保证"Access-Control-Allow-Origin"是服务器有的域名,而不能是"*";
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ctx.set("Access-Control-Allow-Credentials", true);
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// 该字段可选,用来指定本次预检请求的有效期,单位为秒。
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// 当请求方法是PUT或DELETE等特殊方法或者Content-Type字段的类型是application/json时,服务器会提前发送一次请求进行验证
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// 下面的的设置只本次验证的有效时间,即在该时间段内服务端可以不用进行验证
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ctx.set("Access-Control-Max-Age", 300);
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/*
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CORS请求时,XMLHttpRequest对象的getResponseHeader()方法只能拿到6个基本字段:
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Cache-Control、
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Content-Language、
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Content-Type、
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Expires、
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Last-Modified、
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Pragma。
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*/
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// 需要获取其他字段时,使用Access-Control-Expose-Headers,
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// getResponseHeader('myData')可以返回我们所需的值
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//https://www.rails365.net/articles/cors-jin-jie-expose-headers-wu
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ctx.set("Access-Control-Expose-Headers", "myData");
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await next();
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})
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app.use(async (ctx,next)=>{
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// await next();
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console.log(ctx.url)
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@ -1,7 +1,83 @@
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let index = async (ctx,next)=>{
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ctx.body = ""
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ctx.body = "欢迎"
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}
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let addshop = async (ctx,next)=>{
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// a = {
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// mingcheng:"mingzi",
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// fenlei: 1,
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// maidian:"lalala",
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// jiage:12,
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// huodongjia:10,
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// kucun:100,
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// xiaoliang:50,
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// shangjia:1,
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// xiangqing:"xiangqing",
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// }
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// JSON.stringify(a)
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// console.log(ctx.request.body)
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let { mingcheng, fenlei, maidian, jiage, huodongjia, kucun, shangjia ,xiangqing } = ctx.request.body
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if(mingcheng == undefined){
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ctx.body = JSON.stringify({
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code: 1,
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msg: "名称不能为空"
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})
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return ;
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}
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if(maidian == undefined){
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ctx.body = JSON.stringify({
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code: 1,
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msg: "卖点不能为空"
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})
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return ;
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}
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if(jiage == undefined){
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ctx.body = JSON.stringify({
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code: 1,
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msg: "价格不能为空"
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})
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return ;
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}
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if(huodongjia == undefined){
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ctx.body = JSON.stringify({
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code: 1,
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msg: "活动价格不能为空"
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})
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return ;
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}
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if(kucun == undefined){
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ctx.body = JSON.stringify({
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code: 1,
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msg: "库存不能为空"
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})
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return ;
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}
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if(shangjia == undefined){
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ctx.body = JSON.stringify({
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code: 1,
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msg: "是否上架不能为空"
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})
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return ;
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}
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if(xiangqing == undefined){
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ctx.body = JSON.stringify({
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code: 1,
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msg: "商品详情不能为空"
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})
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return ;
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}
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ctx.body = await dbs.add("shop", ctx.request.body)
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// ctx.body="添加"
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}
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let findshop = async (ctx, next) => {
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ctx.body = await dbs.find("shop")
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}
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module.exports = {
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"GET /":index
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"GET /":index,
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"POST /addshop": addshop,
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"GET /findshop": findshop
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}
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