HttpClient——Get,Post
2016-01-08 11:25
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package com.ch.day5_httpclient; import java.util.List; import com.ch.myutils.NetWorkUtil; import com.google.gson.Gson; import com.google.gson.reflect.TypeToken; import android.os.Bundle; import android.os.Handler; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class MainActivity extends Activity { private EditText username; private EditText userpass; private Button login; Context mcontext; Handler h = new Handler(){ public void handleMessage(android.os.Message msg) { if(msg.what == 1){ if(msg.obj.equals("success")){ //跳转 Intent it = new Intent(mcontext,BaseActivity.class); startActivity(it); }else{ Toast.makeText(mcontext, "post请求,账号不对", 0).show(); } }else if(msg.what == 2){ Toast.makeText(mcontext, (String)msg.obj,0).show(); if(msg.obj.equals("成功")){ //跳转 Intent it = new Intent(mcontext,BaseActivity.class); startActivity(it); }else{ Toast.makeText(mcontext, "post请求,账号不对", 0).show(); } } }; }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mcontext = MainActivity.this; init(); } public void init(){ username = (EditText) findViewById(R.id.username); userpass = (EditText) findViewById(R.id.userpass); login = (Button) findViewById(R.id.login); login.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { //得到登陆xinix final String nameValue = username.getText().toString(); final String passValue = userpass.getText().toString(); if(nameValue != null && nameValue != "" && passValue != null && passValue != ""){ //判断网络是否开通 if(NetWorkUtil.isNetAvailable(mcontext)){//为真,表示网络开通 //得到服务器请求登陆,通过线程 new Thread(){ public void run() { //请求服务器 // String rs = // NetWorkUtil.loginCheck_Get_HttpClient(nameValue, passValue, NetWorkUtil.LOGIN_URL); // h.sendMessage(h.obtainMessage(1, rs)); String rs = NetWorkUtil.loginCheck_POST_HttpClient(nameValue, passValue, NetWorkUtil.LOGIN_URL); h.sendMessage(h.obtainMessage(2, rs)); }; }.start(); } }else{ Toast.makeText(mcontext, "请完整输入账号信息", 0).show(); } } }); } }
package com.ch.myutils; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.util.ArrayList; 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.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpGet; package com.ch.myutils; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.util.ArrayList; 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.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.apache.http.util.EntityUtils; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class NetWorkUtil { public static final String LOGIN_URL = "http://101.200.142.201:8080/tqyb/login"; public static boolean isNetAvailable(Context context){ //获得网络管理器 ConnectivityManager connM = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo netInfo = connM.getActiveNetworkInfo();//得到网络详情 if(netInfo == null || !netInfo.isAvailable()) return false; return true; } public static String loginCheck_Get_HttpClient(String name,String pass,String url){ //通过StringBuffer来加工url StringBuffer sb = new StringBuffer(url); sb.append("?username="); sb.append(name); sb.append("&userpass="); sb.append(pass); String result = ""; HttpGet get = new HttpGet(sb.toString());//创建httpClient的get请求对象 //设置请求参数 HttpParams params = new BasicHttpParams(); HttpConnectionParams.setConnectionTimeout(params, 5*1000); HttpConnectionParams.setSoTimeout(params, 5*1000); HttpClient client = new DefaultHttpClient(params);//创建HttpClient对象 try { HttpResponse res = client.execute(get);//执行请求,获得结果 if(res.getStatusLine().getStatusCode() == 200){ HttpEntity entity = res.getEntity();//获得相应结果,是一个HttpEntity对象 result = EntityUtils.toString(entity, "utf-8");//转换为字符串 } } catch (ClientProtocolException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return result; } public static String loginCheck_POST_HttpClient(String name,String pass,String url){ 91 String result = ""; 92 93 HttpPost post = new HttpPost(url);//创建httpClient的post请求对象 94 //设置请求参数 95 HttpParams params = new BasicHttpParams(); 96 HttpConnectionParams.setConnectionTimeout(params, 5*1000); 97 HttpConnectionParams.setSoTimeout(params, 5*1000); 98 //传值 99 //创建List集合,存放向服务器传递的数据 100 List<NameValuePair> reqData = new ArrayList<NameValuePair>(); 101 NameValuePair p1 = new BasicNameValuePair("username", name); 102 NameValuePair p2 = new BasicNameValuePair("userpass", pass); 103 reqData.add(p1); 104 reqData.add(p2); 105 106 try { 107 HttpEntity entity = new UrlEncodedFormEntity(reqData, "utf-8"); 108 post.setEntity(entity);//给post请求对象,设置上传的数据 109 HttpClient client = new DefaultHttpClient(params);//创建HttpClient对象 110 HttpResponse res = client.execute(post);//执行post请求,获得结果 111 if(res.getStatusLine().getStatusCode() == 200){ 112 HttpEntity resEntity = res.getEntity();//获得相应结果,是一个HttpEntity对象 113 result = EntityUtils.toString(resEntity, "utf-8");//转换为字符串 114 } 115 } catch (UnsupportedEncodingException e1) { 116 // TODO Auto-generated catch block 117 e1.printStackTrace(); 118 } catch (ClientProtocolException e) { 119 // TODO Auto-generated catch block 120 e.printStackTrace(); 121 } catch (IOException e) { 122 // TODO Auto-generated catch block 123 e.printStackTrace(); 124 } 125 126 return result; 127 128 } }
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