我用Java編寫了一個Web服務,並且Web服務運行正常,但我無法弄清楚如何通過它傳遞自定義對象列表。這裏是我的類對象:如何通過Web服務傳遞自定義對象
public class Contacts{
private int id;
private String username;
private String location;
private Date updated_at;
public void setId(int id) {
this.id = id;
}
public int getId() {
return id;
}
public void setUsername(String username) {
this.username = username;
}
public String getUsername() {
return username;
}
public void setLocation(String location) {
this.location = location;
}
public String getLocation() {
return location;
}
public void setUpdated_at(Date updated_at) {
this.updated_at = updated_at;
}
public Date getUpdated_at() {
return updated_at;
}
}
這裏是我的web服務方法查詢數據庫,並返回對象的列表。每次我試圖返回一個對象,我得到一個Axis2錯誤:[ERROR] org.apache.axis2.AxisFault: Mapping qname not fond for the package: wtp
總之,這裏是我的方法:
public String getUsers()
{
ResultSet mainRS = null;
String username = "root";
String password = "ticket";
String tablename = "users";
String fieldname = "*";
String query = "SELECT " + fieldname + " FROM " + "android." + tablename + ";";
ArrayList<Contacts> lstc = new ArrayList<Contacts>();
/* this chnk of code can appear more or less verbatim */
/* in your database apps (including JSPs) */
String url = "jdbc:mysql://"my IP address":3306/android";
String test = " ";
try{
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection con = DriverManager.getConnection(url, username, password);
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery(query);
mainRS = rs;
while (rs.next()){
Contacts cont = new Contacts();
if (!(rs.getString("username") == null)){
cont.setUsername(rs.getString("username"));
test = rs.getString("username");
}
if (!(rs.getString("location") == null)){
cont.setLocation(rs.getString("location"));
}
if (!(rs.getString("updated_at") == null)){
cont.setUpdated_at(rs.getDate("updated_at"));
}
if (!(rs.getString("idUsers") == null)){
cont.setId(rs.getInt("idUsers"));
}
lstc.add(cont);
}
rs.close();
stmt.close();
con.close();
}catch(Exception e){
test = e.toString();
}
return test;
}
我使用Eclipse伽利略,Axis2的Java編寫的。任何想法如何傳遞這些對象將不勝感激。或者,也許,甚至有更好的方法來做到這一點,然後低音自定義對象。我願意接受任何想法。
謝謝!
編輯:我編輯使用的方法:
Contacts lst[] = new Contacts["count rows here"];
但是,它將返回空對象。例如:
有4行中的數據庫中,以便其結果是:
SoapObject:結果:空,結果是:空,結果是:空,結果是:空]
任何想法?
我編輯上面的帖子與代碼似乎讓我更接近結果..但是,無論如何,我收到空值。 – ninnemannk 2011-02-06 17:59:58