您好我已开发将值插入mysql数据库。我没有输入详细信息后点击按钮意味着还插入了空值。请帮助我。这里验证。 dis是我的代码:
public class RegisterActivity extends Activity{
private final String NAMESPACE = "http://xcart.com";
private final String URL = "http://192.168.1.168:8085/XcartLogin/services/Insert?wsdl";
private final String SOAP_ACTION = "http://xcart.com/insertData";
private final String METHOD_NAME = "insertData";
Button btninsert;
private Button btn_cancel;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.register);
btninsert = (Button)findViewById(R.id.btn_insert);
btninsert.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
insertValues();
EditText userName = (EditText) findViewById(R.id.editText1);
if( userName.getText().toString().trim().equals(""))
{
userName.setError( "username is required!" );
//You can Toast a message here that the Username is Empty
}
EditText userPassword = (EditText) findViewById(R.id.editText2);
if( userPassword.getText().toString().trim().equals(""))
{
userPassword.setError( "password is required!" );
//You can Toast a message here that the Username is Empty
}
else
{
Intent i = new Intent(getApplicationContext(), AndroidLoginExampleActivity.class);
startActivity(i);
}
}
});
}
public void insertValues(){
SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
EditText userName = (EditText) findViewById(R.id.editText1);
String user_Name = userName.getText().toString();
EditText userPassword = (EditText) findViewById(R.id.editText2);
String user_Password = userPassword.getText().toString();
//Pass value for userName variable of the web service
PropertyInfo unameProp =new PropertyInfo();
unameProp.setName("userName");//Define the variable name in the web service method
unameProp.setValue(user_Name);//Define value for fname variable
unameProp.setType(String.class);//Define the type of the variable
request.addProperty(unameProp);//Pass properties to the variable
//Pass value for userPassword variable of the web service
PropertyInfo passwordProp =new PropertyInfo();
passwordProp.setName("userPassword");
passwordProp.setValue(user_Password);
passwordProp.setType(String.class);
request.addProperty(passwordProp);
SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);
envelope.setOutputSoapObject(request);
HttpTransportSE androidHttpTransport = new HttpTransportSE(URL);
try{
androidHttpTransport.call(SOAP_ACTION, envelope);
SoapPrimitive response = (SoapPrimitive)envelope.getResponse();
TextView result = (TextView) findViewById(R.id.textView2);
result.setText(response.toString());
}
catch(Exception e){
}
}
}.
Webservice代码是:
package com.xcart;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
public class Insert {
public String insertData(String userName,String userPassword){
try{
Class.forName("com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/xcart-432pro","root","");
PreparedStatement statement = con.prepareStatement("INSERT INTO xcart_customers(login,password) VALUES ('"+userName+"','"+userPassword+"');");
int result = statement.executeUpdate();
}
catch(Exception exc){
System.out.println(exc.getMessage());
}
return "Insertion successfull!!";
}
}
请帮帮我。
答案 0 :(得分:0)
在oncreate中只定义一次EditText userName = (EditText) findViewById(R.id.editText1);
,并在整个活动中使用它们。在您的代码中,您正在调用insertValues()方法,并且您正在插入值而不在此方法中检查空字符串。这就是原因。
您的代码应如下所示
public class RegisterActivity extends Activity{
EditText userName, userPassword ; // << changes here
private final String NAMESPACE = "http://xcart.com";
private final String URL = "http://192.168.1.168:8085/XcartLogin/services/Insert?wsdl";
private final String SOAP_ACTION = "http://xcart.com/insertData";
private final String METHOD_NAME = "insertData";
Button btninsert;
private Button btn_cancel;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.register);
btninsert = (Button)findViewById(R.id.btn_insert);
user name = (EditText) findViewById(R.id.editText1);// << changes here
userPassword = (EditText) findViewById(R.id.editText2);// << changes here
btninsert.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if( userName.getText().toString().trim().equals(""))
{
userName.setError( "username is required!" );
//You can Toast a message here that the Username is Empty
}
EditText
if( userPassword.getText().toString().trim().equals(""))
{
userPassword.setError( "password is required!" );
//You can Toast a message here that the Username is Empty
}
else
{ insertValues(); // << changes here
Intent i = new Intent(getApplicationContext(), AndroidLoginExampleActivity.class);
startActivity(i);
}
}
});
}