相关疑难解决方法(0)

59
推荐指数
4
解决办法
3万
查看次数

servlet中"response.setContentType("text/html")"的用法是什么?

public class HelloWorld extends HttpServlet{ 
      public void doGet(HttpServletRequest request, 
      HttpServletResponse response)
      throws ServletException,IOException{
      **response.setContentType("text/html");**
      PrintWriter pw = response.getWriter();
      pw.println("<html>");
      pw.println("<head><title>Hello World</title></title>");
      pw.println("<body>");
      pw.println("<h1>Hello World</h1>");
      pw.println("</body></html>");
      }
    }
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java servlets

18
推荐指数
3
解决办法
18万
查看次数

Express + Postman,req.body是空的

我知道这已被多次询问,但我一直在四处寻找,但仍无法找到问题的答案.

这是我的代码,我确保在定义路由之前使用和配置主体解析器.我只使用.json()和bodyParser,因为我现在只测试一个POST函数,但我甚至尝试过app.use(bodyParser.urlencoded({extended:true}));

var express = require('express'),
    bodyParser = require('body-parser'),
    app = express();

app.use(bodyParser.json());
app.set('port', (process.env.PORT || 5000));

app.listen(app.get('port'), function() {
    console.log("Node app is running at localhost:" + app.get('port'))
});

app.post('/itemSearch', function(req, res) {
    //var Keywords = req.body.Keywords;
    console.log("Yoooooo");
    console.log(req.headers);
    console.log(req.body);
    res.status(200).send("yay");
});
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以下是我如何使用Postman来测试这条路线. 在此输入图像描述

这是我收到的回复

Node app is running at localhost:5000
Yoooooo
{ host: 'localhost:5000',
  connection: 'keep-alive',
  'content-length': '146',
  'cache-control': 'no-cache',
  origin: 'chrome-extension://fhbjgbiflinjbdggehcddcbncdddomop',
  'content-type': 'multipart/form-data; boundary=----WebKitFormBoundarynJtRFnukjOQDaHgU',
  'user-agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36',
  'postman-token': '984b101b-7780-5d6e-5a24-ad2c89b492fc',
  accept: '*/*', …
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node.js express postman

15
推荐指数
3
解决办法
2万
查看次数

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asp.net-mvc ×1

content-type ×1

express ×1

java ×1

node.js ×1

postman ×1

servlets ×1