android 通过json格式提交数据给php 调用数据库mysql

开发工具：WampServer 里面集成了php ，mysql。

最近在学习，android跟电脑的数据库连接，然后从网上的大神学习了一下，接着弄了两天最后才搞定了。

代码请移步到：http://download.csdn.net/detail/linqg24/8609587

在wampservel 下的www目录下放两个php文件，有conn.php和test.php

conn.php

<?php

$con=mysql_connect("localhost:3306","root","123456") or die("访问数据库失败".mysql_error());

mysql_select_db("test2",$con) or die("连接数据库失败".mysql_error());

mysql_query("set names 'gbk'");

?>

test.php

<?php

// array for JSON response

$response = array();

include("conn.php");

// check for required fields

if (isset($_POST['name']) && isset($_POST['password']) ) {



$name = $_POST['name'];

$password = $_POST['password'];

// $name ="张三";

//$password="123456";



$result = mysql_query("INSERT INTO test(name,password) VALUES('$name', '$password')");

if ($result) {

// successfully inserted into database

$response["success"] = 1;

$response["message"] = "Product successfully created.";

// echoing JSON response

echo json_encode($response);

} else {

// failed to insert row

$response["success"] = 0;

$response["message"] = "Oops! An error occurred.";



// echoing JSON response

echo json_encode($response);

}

} else {

// required field is missing

$response["success"] = 0;

$response["message"] = "Required field(s) is missing ";

// echoing JSON response

echo json_encode($response);



}

?>

在客户android端

有三个activity 分别是DialogUtil.java、JSONParser.java、MainActivity.java

MainActivity.java代码如下：

package com.example.mysql_test;

import java.util.ArrayList;

import java.util.List;

import org.apache.http.NameValuePair;

import org.apache.http.message.BasicNameValuePair;

import org.json.JSONObject;

import com.android.net.DialogUtil;

import com.example.mysql_test.JSONParser;

import android.app.Activity;

import android.app.ProgressDialog;

import android.os.AsyncTask;

import android.os.Bundle;

import android.text.TextUtils;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

public class MainActivity extends Activity {

private ProgressDialog pDialog;

JSONParser jsonParser = new JSONParser();

EditText name;

EditText password;

Button login_button;



private static String url = "http://192.168.1.102:80/test.php";

//private static String url = "http://10.0.2.2/test.php";

private static final String TAG_MESSAGE = "message";

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

name=(EditText)findViewById(R.id.name);

password=(EditText)findViewById(R.id.password);

login_button=(Button)findViewById(R.id.login_button);

login_button.setOnClickListener(new View.OnClickListener() {

public void onClick(View view) {

if(validate()){

new Up().execute();

}

}

});

}

private boolean validate()

{

String name1 = name.getText().toString().trim();

if (name1.equals(""))

{

DialogUtil.showDialog(this, "您还没有填写建议", false);

return false;

}

String password1 = password.getText().toString().trim();

if (password1.equals(""))

{

DialogUtil.showDialog(this, "您还没有填写建议", false);

return false;

}



return true;

}

class Up extends AsyncTask<String, String, String> {

@Override

protected void onPreExecute() {

super.onPreExecute();

pDialog = new ProgressDialog(MainActivity.this);

pDialog.setMessage("正在上传..");

pDialog.setIndeterminate(false);

pDialog.setCancelable(true);

pDialog.show();

}

protected String doInBackground(String... args) {

String name1 = name.getText().toString();

String password1 = password.getText().toString();

List<NameValuePair> params = new ArrayList<NameValuePair>();

params.add(new BasicNameValuePair("name", name1));

params.add(new BasicNameValuePair("password", password1));

try{

JSONObject json = jsonParser.makeHttpRequest(url,

"POST", params);

String message = json.getString(TAG_MESSAGE);

return message;

}catch(Exception e){

e.printStackTrace();

return "";

}

}

protected void onPostExecute(String message) {

pDialog.dismiss();

//message 为接收doInbackground的返回值

Toast.makeText(getApplicationContext(), message, 8000).show();

}

}



public static final String removeBOM(String data) {

if (TextUtils.isEmpty(data)) {

return data;

}

if (data.startsWith("\ufeff")) {

return data.substring(1);

} else {

return data;

}

}



}

JSONParser.java代码如下：

package com.example.mysql_test;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.UnsupportedEncodingException;

import java.util.List;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.NameValuePair;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.protocol.HTTP;

import org.json.JSONException;

import org.json.JSONObject;

import android.util.Log;

public class JSONParser {

static InputStream is = null;

static JSONObject jObj = null;

static String json = "";

// constructor

public JSONParser() {

}

// function get json from url

// by making HTTP POST

public JSONObject makeHttpRequest(String url, String method,

List<NameValuePair> params) {

// Making HTTP request

try {

// request method is POST

// defaultHttpClient

DefaultHttpClient httpClient = new DefaultHttpClient();

HttpPost httpPost = new HttpPost(url);

httpPost.setEntity(new UrlEncodedFormEntity(params,HTTP.UTF_8));

HttpResponse httpResponse = httpClient.execute(httpPost);

HttpEntity httpEntity = httpResponse.getEntity();

is = httpEntity.getContent();



} catch (UnsupportedEncodingException e) {

e.printStackTrace();

} catch (ClientProtocolException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

try {

BufferedReader reader = new BufferedReader(new InputStreamReader(

is, "UTF-8"));

StringBuilder sb = new StringBuilder();

String line = null;

while ((line = reader.readLine()) != null) {

sb.append(line + "\n");

}

is.close();

json = sb.toString();

} catch (Exception e) {

Log.e("Buffer Error", "Error converting result " + e.toString());

Log.d("json", json.toString());

}

// try parse the string to a JSON object

try {

jObj = new JSONObject(json);

} catch (JSONException e) {

Log.e("JSON Parser", "Error parsing data " + e.toString());

}

// return JSON String

return jObj;

}

}

DialogUtil.java代码如下：

package com.android.net;

import android.app.AlertDialog;

import android.content.Context;

import android.content.DialogInterface;

import android.content.DialogInterface.OnClickListener;

import android.view.View;

import android.app.Activity;

public class DialogUtil

{

// 定义一个显示消息的对话框

public static void showDialog(final Context ctx

, String msg , boolean closeSelf)

{

// 创建一个AlertDialog.Builder对象

AlertDialog.Builder builder = new AlertDialog.Builder(ctx)

.setMessage(msg).setCancelable(false);

if(closeSelf)

{

builder.setPositiveButton("确定", new OnClickListener()

{

public void onClick(DialogInterface dialog, int which)

{

// 结束当前Activity

((Activity)ctx).finish();

}

});

}

else

{

builder.setPositiveButton("确定", null);

}

builder.create().show();

}

// 定义一个显示指定组件的对话框

public static void showDialog(Context ctx , View view)

{

AlertDialog.Builder builder = new AlertDialog.Builder(ctx)

.setView(view).setCancelable(false)

.setPositiveButton("确定", null);

builder.create()

.show();

}

}

注意 在AndroidMainfest.xml下要有 <uses-permission android:name="android.permission.INTERNET"/>

在数据库是test2，表是test



注意：

当用模拟器的时候MainActivity.java

private static String url = "http://10.0.2.2/test.php";调用test.php对数据库进行操作。

当用手机运行app，访问局域网的电脑的时候

private static String url = "http://192.168.1.102:80/test.php"; 192.168.1.102是我电脑的ip地址，然后80是wampservel 的端口。

注意：当用手机的时候，如果系统是window7的时候，要把windows防火墙关掉，要不然访问不了。开始-控制面板-windows防火墙-关闭windows防火墙

如果不想关闭防火墙那就增加端口 开始-控制面板-windows防火墙-高级设置-


然后点击入站规则，新建规则



选择端口，下一步



选tcp，端口写80.

最后出现如下图情况，设置成功



出站规则和入站规则一样设置。

如果有问题的话可以参考 http://blog.csdn.net/zzq900503/article/details/11936379
如果设置后用手机访问，输入网址192.168.1.102：80 返回是403错误的话，那就是权限不够。

一，Apache部分：

路径：/wamp/bin/apache/Apache2.4.9/conf/httpd.conf

其中Apache版本号请按实际情况而定。将所有Directory段内的deny条件都替换修改为allow from all：

<directory>

Options FollowSymLinks

AllowOverride None

Order deny,allow

Allow
from all #以前是Deny from all

</directory>

二，phpmyadmin部分：

路径：/wamp/alias/phpmyadmin.conf

同理，将deny条件修改为allow from all：

......

#

# Controls who can get stuff from this server.

#

# onlineoffline tag - don't remove

Order Deny,Allow

Deny from all

Allow
from all #以前是Allow from 127.0.0.1

</directory>

最后重启所有服务，问题解决喽~
参考网上其他说的 http://shiove.com/shine/?p=237
最后演示效果如下

手机端：


PC端数据库：