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android中的ksoap2异常处理(ksoap2 exception handling in android)

 我在以下代码中遇到异常  
                package com.dipl.smpm.smpm;

 import org.ksoap2.SoapEnvelope;
 import org.ksoap2.serialization.SoapObject;
 import org.ksoap2.serialization.SoapPrimitive;
 import org.ksoap2.serialization.SoapSerializationEnvelope;
 import org.ksoap2.transport.AndroidHttpTransport;
 import org.ksoap2.transport.HttpTransport;

 import android.app.Activity;
 import android.os.Bundle;
 import android.widget.TextView;
 import android.widget.Toast;
public class ConnectHttp extends Activity {
    private static final String SOAP_ACTION = "http://tempuri.org/loginDetails";
    private static final String METHOD_NAME = "loginDetails";
    private static final String NAMESPACE = "http://tempuri.org/";
    private static final String URL = "http://localhost:88/EmpService.asmx";
    TextView tv;
 @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
    tv=(TextView)findViewById(R.id.textView11);
    SoapObject sobj_requestLogin=new SoapObject(NAMESPACE, METHOD_NAME);
    sobj_requestLogin.addProperty("username", "a");
    sobj_requestLogin.addProperty("password", "a");
    SoapSerializationEnvelope spenve_Login = new SoapSerializationEnvelope(SoapEnvelope.VER11);
    spenve_Login.dotNet=true;
    spenve_Login.setOutputSoapObject(sobj_requestLogin);

    AndroidHttpTransport htrans_login= new AndroidHttpTransport(URL);

    try{
        Toast.makeText(getApplicationContext(), "1", Toast.LENGTH_SHORT).show();
        htrans_login.call(SOAP_ACTION,spenve_Login);
        Toast.makeText(getApplicationContext(), "2", Toast.LENGTH_SHORT).show();
        SoapPrimitive spprim_login=(SoapPrimitive)spenve_Login.getResponse();
        Toast.makeText(getApplicationContext(), "3", Toast.LENGTH_SHORT).show();
        tv.setText("result: "+spprim_login+" ");
        Toast.makeText(getApplicationContext(), "4", Toast.LENGTH_SHORT).show();
    }
    catch(Exception e){
        Toast.makeText(getApplicationContext(), "Exception", Toast.LENGTH_LONG).show();
    }


}
 }
 
 我成功地举杯祝酒，但是在吐司'2'来临之前，它会立刻进入'异常'吐司。 帮帮我，我的错误是什么？ 我也使用2.3 ksoap2 2.3 jar作为用户定义的lib。 

I'm getting exception in the following code 
                package com.dipl.smpm.smpm;

 import org.ksoap2.SoapEnvelope;
 import org.ksoap2.serialization.SoapObject;
 import org.ksoap2.serialization.SoapPrimitive;
 import org.ksoap2.serialization.SoapSerializationEnvelope;
 import org.ksoap2.transport.AndroidHttpTransport;
 import org.ksoap2.transport.HttpTransport;

 import android.app.Activity;
 import android.os.Bundle;
 import android.widget.TextView;
 import android.widget.Toast;
public class ConnectHttp extends Activity {
    private static final String SOAP_ACTION = "http://tempuri.org/loginDetails";
    private static final String METHOD_NAME = "loginDetails";
    private static final String NAMESPACE = "http://tempuri.org/";
    private static final String URL = "http://localhost:88/EmpService.asmx";
    TextView tv;
 @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
    tv=(TextView)findViewById(R.id.textView11);
    SoapObject sobj_requestLogin=new SoapObject(NAMESPACE, METHOD_NAME);
    sobj_requestLogin.addProperty("username", "a");
    sobj_requestLogin.addProperty("password", "a");
    SoapSerializationEnvelope spenve_Login = new SoapSerializationEnvelope(SoapEnvelope.VER11);
    spenve_Login.dotNet=true;
    spenve_Login.setOutputSoapObject(sobj_requestLogin);

    AndroidHttpTransport htrans_login= new AndroidHttpTransport(URL);

    try{
        Toast.makeText(getApplicationContext(), "1", Toast.LENGTH_SHORT).show();
        htrans_login.call(SOAP_ACTION,spenve_Login);
        Toast.makeText(getApplicationContext(), "2", Toast.LENGTH_SHORT).show();
        SoapPrimitive spprim_login=(SoapPrimitive)spenve_Login.getResponse();
        Toast.makeText(getApplicationContext(), "3", Toast.LENGTH_SHORT).show();
        tv.setText("result: "+spprim_login+" ");
        Toast.makeText(getApplicationContext(), "4", Toast.LENGTH_SHORT).show();
    }
    catch(Exception e){
        Toast.makeText(getApplicationContext(), "Exception", Toast.LENGTH_LONG).show();
    }


}
 }
 
i'm getting a toast '1' sucessfully but its going to 'exception' toast immediately before toast '2' comes. help me what is my mistake? also i'm using 2.3 ksoap2 2.3 jar as user defined lib.

原文：https://stackoverflow.com/questions/17448036

更新时间：2022-03-23 08:03

最满意答案

 如上所述，您无需将配置文件URL保存到数据库。 我猜所有的个人资料网址都会遵循一些标准格式（即www.example.com/profile.php?id=1 ）？  
 好吧，如果您保存了数据库中的所有内容，然后您决定将格式更改为类似于www.example.com/profile/1那么您将拥有大量过时的数据。你的数据库。 您将不得不浏览每条记录并更新它，这对数据库表来说可能是危险的，比如数百万行。  
 因此，解决方案是使用带参数的脚本。 说profile.php 。 如上所述，您将使用$_GET数组中的数据检查配置文件：  
<?php
if (isset($_GET['id'])) {
    $id  = mysql_real_escape_string($_GET['id']);
    $sql = "SELECT * FROM members WHERE id = '$id' LIMIT 1";
    $res = mysql_query($sql);
    if (mysql_num_rows() > 0) {
        $member = mysql_fetch_object($res);
        // handle displaying of member's profile here
    }
    else {
        // member does not exist with ID
    }
}
?>
 
 这样，如果您决定更改脚本名称或使用搜索引擎友好的URL，则无需更改数据库结构。 

As stated above, you don't need to save a profile URL to the database. I'm guessing all profile URLs are going to follow some standard form (i.e. www.example.com/profile.php?id=1)?  
Well, if you saved all of those in your database and then you decided you were going to change the format to something like www.example.com/profile/1 you're going to have a lot of out-of-date data in your database. You're going to have to go through each record and update it, and that could be dangerous on a database table with say, millions of rows. 
Therefore, the solution is to have a script that takes a parameter. Say profile.php. As above, you would check for the profile using the data in the $_GET array: 
<?php
if (isset($_GET['id'])) {
    $id  = mysql_real_escape_string($_GET['id']);
    $sql = "SELECT * FROM members WHERE id = '$id' LIMIT 1";
    $res = mysql_query($sql);
    if (mysql_num_rows() > 0) {
        $member = mysql_fetch_object($res);
        // handle displaying of member's profile here
    }
    else {
        // member does not exist with ID
    }
}
?>
 
That way, if you decide to change the script name or use search engine-friendly URLs, you don't need to change your database structure.

android中的ksoap2异常处理(ksoap2 exception handling in android)

最满意答案

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