Question

java在文本框显示代码不成功，就是设置一个按钮点击一下得到第一个文本框内的数值在第二个文本框显示

第二个文本框显示银行大写。。。。。

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JTextField;

public class ListenChange implements ActionListener {
JTextField inputField;
JTextField showField;
JButton changeButton;
public void four(int s) {
//showField=new JTextField();
switch (s) {
case 0:
showField.setText("零");
break;
case 1:
showField.setText("壹");
break;
case 2:
showField.setText("贰");
break;
case 3:
showField.setText("叁");
break;
case 4:
showField.setText("肆");
break;
case 5:
showField.setText("伍");
break;
case 6:
showField.setText("陆");
break;
case 7:
showField.setText("柒");
break;
case 8:
showField.setText("扒");
break;
case 9:
showField.setText("玖");
break;
default:
break;
}
}
public void wei(int j) {
//showField=new JTextField();
switch (j) {
case 0:
showField.setText("仟");
break;
case 1:
showField.setText("百");
break;
case 2:
showField.setText("拾");
break;
default:
break;
}

}
public void hou(int i) {
//showField=new JTextField();
switch (i) {
case 0:
showField.setText("兆");
break;
case 1:
showField.setText("亿");
break;
case 2:
showField.setText("万");
break;
default:
break;
}

}

public void setInput(JTextField inputField) {
this.inputField=inputField;

}
public void setShow(JTextField showField) {
this.showField=showField;
}
public void actionPerformed(ActionEvent e) {
//showField=new JTextField();
String s=inputField.getText();
char[] c=s.toCharArray();
int[] money=new int[c.length];
for (int i = 0; i < c.length; i++) {
money[i]=c[i]-'0';
}
int[][] str=new int[4][4];
int i=money.length-1;
for (int h = 4; h>0; h--) {
for (int z = 4; z>0; z--) {
if(i==-1) break;
str[h-1][z-1]=money[i];
i--;
}
}
boolean flag=false;
for (int j = 0; flag==false&&j<4; j++) {
for (int j2 = 0;flag==false&&j2<4; j2++) {
if(str[j][j2]<1) str[j][j2]=20;
else flag=true;
}
}
for (int j = 0; j < str.length; j++) {
for (int j2 = 0; j2 < str.length; j2++) {
if(str[j][j2]!=0) continue;
if(j2!=3&&str[j][j2]+str[j][j2+1]==0) str[j][j2]=10;
if(j2==3&&str[j][j2]==0) str[j][3]=10;
}
}
ListenChange t=new ListenChange();
for (int j = 0; j < str.length; j++) {
for (int j2 = 0; j2 < str.length; j2++) {
int n=str[j][j2];
t.four(n);
if(str[j][j2]==10||str[j][j2]==20||str[j][j2]==0) showField.setText("");
else t.wei(j2);
}
if(str[j][3]==20) showField.setText("");
else t.hou(j);
}
}

}

Answer 1

showField.setText(showField.GetText + "零");
后面的case里都是一样

Answer 2

在actionPerformed(ActionEvent e)里没有获取事件源吗？