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server.js 1.21 KB
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徐小夕 提交于 2021-06-07 20:01 . init
const Koa = require('koa');
const { resolve } = require('path');
const staticServer = require('koa-static');
const koaBody = require('koa-body');
const cors = require('koa2-cors');
const logger = require('koa-logger');
const app = new Koa();
app.use(staticServer(resolve(__dirname, './static')));
app.use(koaBody());
app.use(logger());
// 设置跨域
app.use(
cors({
origin: function(ctx) {
if (ctx.url.indexOf('/dooring') > -1) {
return '*'; // 允许来自所有域名请求
}
return '';
},
exposeHeaders: ['WWW-Authenticate', 'Server-Authorization', 'x-test-code'],
maxAge: 5, // 该字段可选,用来指定本次预检请求的有效期,单位为秒
credentials: true,
allowMethods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
allowHeaders: [
'Content-Type',
'Authorization',
'Accept',
'x-requested-with',
'Content-Encoding',
],
}),
);
let htmlStr = '';
app.use(async (ctx, next) => {
console.log(ctx.url);
if (ctx.url === '/dooring/render') {
htmlStr = ctx.request.body;
ctx.body = 'success';
} else if (ctx.url.indexOf('/html') === 0) {
ctx.type = 'html';
ctx.body = htmlStr;
}
});
app.listen(3000);
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