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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                ~~~ const koa = require('koa'); const app = new koa(); /* 設置http的請求參數 */ // 我們可以用下面的中間件理解app.use(cors({})) app.use(async (ctx, next) => { // 允許來自所有域名請求 ctx.set("Access-Control-Allow-Origin", "*"); // 設置所允許的HTTP請求方法 ctx.set("Access-Control-Allow-Methods", "OPTIONS, GET, PUT, POST, DELETE"); // 字段是必需的。它也是一個逗號分隔的字符串,表明服務器支持的所有頭信息字段. ctx.set("Access-Control-Allow-Headers", "x-requested-with, accept, origin, content-type"); // 服務器收到請求以后,檢查了Origin、Access-Control-Request-Method和Access-Control-Request-Headers字段以后,確認允許跨源請求,就可以做出回應。 ctx.set("Content-Type", "application/json;charset=utf-8"); ctx.set("Access-Control-Allow-Credentials", true); ctx.set("Access-Control-Max-Age", 300); ctx.set("Access-Control-Expose-Headers", "myData"); await next(); }) app.use(async ctx=>{ ctx.body = "hello world" }) app.listen(8080) ~~~
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