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我在localhost上有一個couchdb：5984。 在Java我使用這個命令使一個GET請求：POST請求Java CouchDB
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Enumeration;
import java.util.Hashtable;
public class Request {
private String host = "";
private int port = 80;
private String path = "";
private String method = "GET";
private String body = "";
private Hashtable headers = new Hashtable();
/**
* Creates a new instance of HTTPClient
*/
public Request() {
}
public void setHost(String host, int port, String path) {
this.host = host;
this.port = port;
this.path = path;
}
public void setMethod(String method) {
this.method = method;
}
public void setBody(String body) {
this.body = body;
}
public void addRequestHeader(String key, String value) {
headers.put(key, value);
}
/**
* returns 2 strings String[0] is the request String[1] is the response
*/
public String[] send() throws IOException {
String response = "";
String request = "";
// NETWORK STUFFS
Socket socket = new Socket(host, port);
PrintWriter out = new PrintWriter(socket.getOutputStream());
BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
// crea la request
request += method + " " + path + " HTTP/1.0\r\n";
// aggiungi headers
Enumeration keys = headers.keys();
while (keys.hasMoreElements()) {
String key = (String) keys.nextElement();
String value = (String) headers.get(key);
request += key + ": " + value + "\r\n";
}
// controllo content-length, indispensabile per il POST
if (headers.get("Content-Length:") == null) {
request += "Content-Length: " + body.getBytes().length + "\r\n";
}
// linea di fine headers
request += "\r\n";
// aggiungo il body
request += body;
// invio
//System.out.println(request+"\n");
out.print(request);
out.flush();
String s;
while ((s = in.readLine()) != null) {
response += s + "\n";
//System.out.println(s);
}
in.close();
out.close();
socket.close();
String[] result = new String[2];
result[0] = request;
result[1] = response;
return result;
}
}
我插入：主機，端口和方法類型（「GET」），我使用send方法在這個類。一切正常。 現在我想要發送一個JSONObject的發佈請求，我必須做什麼？ 我已經嘗試添加一個DataOutputStream相同的方法，但我有一個錯誤的內容類型錯誤。