下面的代码用get方法在网页中能显示，并且提交url会改变，但是改为post后在网页主页中点击链接打开subform网页就报404错误。 //form.ejs
404
Error: Not Found at D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\app.js:38:15 at Layer.handle [as handle_request] (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\layer.js:82:5) at trim_prefix (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:302:13) at D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:270:7 at Function.proto.process_params (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:321:12) at next (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:261:10) at D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:603:15 at next (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:246:14) at Function.proto.handle (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:166:3) at router (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:35:12)