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  • android:uploaddatatoWeb

    <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="vertical" >
    
        <TextView
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="@string/title" />
    
        <EditText
            android:id="@+id/title"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:inputType="" />
    
        <TextView
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="@string/timelength" />
    
        <EditText
            android:id="@+id/timelength"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:inputType="number" />
    
        <Button
            android:id="@+id/button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/button" />
    
    </LinearLayout>


    package com.example.utils;
    
    import java.io.ByteArrayOutputStream;
    import java.io.InputStream;
    
    public class StreamTool {
    	public static byte[] readInputStream(InputStream inStream) throws Exception {
    		ByteArrayOutputStream outStream = new ByteArrayOutputStream();// 输出流,写到内存
    		byte[] buffer = new byte[1024];// 1K缓冲区容量
    		int len = 0;
    		while ((len = inStream.read(buffer)) != -1) {
    			outStream.write(buffer, 0, len);// 从数组buffer中读取从0到len的数据
    		}
    		inStream.close();
    		return outStream.toByteArray();
    	}
    }
    

    package com.example.web;
    
    import java.net.HttpURLConnection;
    import java.net.URL;
    import java.util.Map;
    
    public class HttpRequest {
    	public static void sendGetRequest(String path, Map<String, String> params)
    			throws Throwable {
    		StringBuilder str = new StringBuilder();
    		str.append('?');
    		for (Map.Entry<String, String> entry : params.entrySet()) {
    			str.append(entry.getKey()).append('=').append(entry.getValue())
    					.append('&');
    		}
    		str.deleteCharAt(str.length() - 1);
    		URL url = new URL(path);
    		HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    		conn.setRequestMethod("GET");
    		conn.setConnectTimeout(5 * 1000);
    
    	}
    }
    

    package com.example.web;
    
    import java.util.HashMap;
    import java.util.Map;
    
    import android.app.Activity;
    import android.os.Bundle;
    import android.util.Log;
    import android.view.View;
    import android.widget.Button;
    import android.widget.EditText;
    import android.widget.Toast;
    
    import com.example.image.R;
    import com.example.web.HttpRequest;
    
    public class MainActivity extends Activity {
    
    	private static final String TAG = "UploaddataToWen";
    	private EditText titleText;
    	private EditText timelengthText;
    
    	@Override
    	protected void onCreate(Bundle savedInstanceState) {
    		super.onCreate(savedInstanceState);
    		setContentView(R.layout.activity_image);
    		Button button = (Button) this.findViewById(R.id.button);
    		titleText = (EditText) this.findViewById(R.id.title);
    		timelengthText = (EditText) this.findViewById(R.id.timelength);
    		button.setOnClickListener(new View.OnClickListener() {
    
    			@Override
    			public void onClick(View v) {
    				String title = titleText.getText().toString();
    				String timelength = timelengthText.getText().toString();
    				Map<String, String> params = new HashMap<String, String>();
    				params.put("method", "save");
    				params.put("title", title);
    				params.put("timelength", timelength);
    				try {
    					HttpRequest.sendGetRequest(
    							"http://192.168.1.101:8080/web/admin.do", params);
    					Toast.makeText(MainActivity.this, "save success",
    							Toast.LENGTH_LONG).show();
    				} catch (Throwable e) {
    					Toast.makeText(MainActivity.this, "save fail",
    							Toast.LENGTH_LONG).show();
    					Log.e(TAG, e.toString());
    				}
    			}
    		});
    	}
    }
    // <!-- 访问internet权限 -->
    // <uses-permission android:name="android.permission.INTERNET"/>
    
    

    /*
    package org.android.net;
    
    import java.io.ByteArrayOutputStream;
    import java.io.InputStream;
    import java.net.HttpURLConnection;
    import java.net.URL;
    
    public class HtmlRequest {
    
    	public static void main(String[] args) throws Throwable {
    		URL url = new URL("http://www.baidu.con");
    		HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    		conn.setRequestMethod("GET");
    		conn.setConnectTimeout(5 * 1000);
    		InputStream inStream = conn.getInputStream();// 通过输入流获取html数据
    		byte[] data = readInputStream(inStream);// 得到的html的二进制数据
    		String html= new String(data);
           System.out.print(html);
    	}
    
    	public static byte[] readInputStream(InputStream inStream) throws Exception {
    		ByteArrayOutputStream outStream = new ByteArrayOutputStream();// 输出流,写到内存
    		byte[] buffer = new byte[1024];// 1K缓冲区容量
    		int len = 0;
    		while ((len = inStream.read(buffer)) != -1) {
    			outStream.write(buffer, 0, len);// 从数组buffer中读取从0到len的数据
    		}
    		inStream.close();
    		return outStream.toByteArray();
    	}
    }
    
    package org.android.net;
    
    import java.io.ByteArrayOutputStream;
    import java.io.File;
    import java.io.FileOutputStream;
    import java.io.InputStream;
    import java.net.HttpURLConnection;
    import java.net.URL;
    
    public class ImageRequest {
    
    	public static void main(String[] args) throws Throwable {
    		URL url = new URL("http://imageaddress");
    		HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    		conn.setRequestMethod("GET");
    		conn.setConnectTimeout(5 * 1000);
    		InputStream inStream = conn.getInputStream();// 通过输入流获取图片数据
    		byte[] data = readInputStream(inStream);// 得到的图片的二进制数据
    		File imageFile = new File("temp.jpg");
    		FileOutputStream outStream = new FileOutputStream(imageFile);// 把图片写入到硬盘
    		outStream.write(data);
    		outStream.close();
    
    	}
    
    	public static byte[] readInputStream(InputStream inStream) throws Exception {
    		ByteArrayOutputStream outStream = new ByteArrayOutputStream();// 输出流,写到内存
    		byte[] buffer = new byte[1024];// 1K缓冲区容量
    		int len = 0;
    		while ((len = inStream.read(buffer)) != -1) {
    			outStream.write(buffer, 0, len);// 从数组buffer中读取从0到len的数据
    		}
    		inStream.close();
    		return outStream.toByteArray();
    	}
    }
    */


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  • 原文地址:https://www.cnblogs.com/javafly/p/6037230.html
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