1 private void newJLabel() {
2 JLabel[] thum=new JLabel[12];
3 int line=1;
4 for(int i=1;i<=12;i++) {
5 thum[i-1]=new JLabel();
6 if(i%5==1) {
7 if(line==1) {
8 thum[i-1].setBounds(75*1, 50*line, 196, 282);
9 }else{
10 thum[i-1].setBounds(75*1, 50*line+282*(line-1), 196, 282);
11 }
12 }else if(i%5==2){
13 if(line==1) {
14 thum[i-1].setBounds(75*2+(296*1), 50*line, 196, 282);
15 }else {
16 thum[i-1].setBounds(75*2+(296*1), 50*line+282*(line-1), 196, 282);
17 }
18
19 }else if(i%5==3){
20 if(line==1) {
21 thum[i-1].setBounds(75*3+(296*2), 50*line, 196, 282);
22 }else {
23 thum[i-1].setBounds(75*3+(296*2), 50*line+282*(line-1), 196, 282);
24 }
25
26 }else if(i%5==4){
27 if(line==1) {
28 thum[i-1].setBounds(75*4+(296*3), 50*line, 196, 282);
29 }else {
30 thum[i-1].setBounds(75*4+(296*3), 50*line+282*(line-1), 196, 282);
31 }
32 }else if(i%5==0){
33 if(line==1) {
34 thum[i-1].setBounds(75*5+(296*4), 50*line, 196, 282);
35 }else {
36 thum[i-1].setBounds(75*5+(296*4), 50*line+282*(line-1), 196, 282);
37 }
38
39 }
40 if(i%5==0) {
41 line++;
42 }
43 thum[i-1].setOpaque(true);
44 thum[i-1].setIcon(new ImageIcon("src/thumbnails/3.jpg"));//问题出在这里
45 thum[i-1].setVerticalAlignment(JLabel.TOP);
46 this.add(thum[i-1]);
47 }
48 }正常显示:

异常代码段:
1 private void newJLabel() {
2 JLabel[] thum=new JLabel[12];
3 int line=1;
4 for(int i=1;i<=12;i++) {
5 thum[i-1]=new JLabel();
6 if(i%5==1) {
7 if(line==1) {
8 thum[i-1].setBounds(75*1, 50*line, 196, 282);
9 }else{
10 thum[i-1].setBounds(75*1, 50*line+282*(line-1), 196, 282);
11 }
12 }else if(i%5==2){
13 if(line==1) {
14 thum[i-1].setBounds(75*2+(296*1), 50*line, 196, 282);
15 }else {
16 thum[i-1].setBounds(75*2+(296*1), 50*line+282*(line-1), 196, 282);
17 }
18
19 }else if(i%5==3){
20 if(line==1) {
21 thum[i-1].setBounds(75*3+(296*2), 50*line, 196, 282);
22 }else {
23 thum[i-1].setBounds(75*3+(296*2), 50*line+282*(line-1), 196, 282);
24 }
25
26 }else if(i%5==4){
27 if(line==1) {
28 thum[i-1].setBounds(75*4+(296*3), 50*line, 196, 282);
29 }else {
30 thum[i-1].setBounds(75*4+(296*3), 50*line+282*(line-1), 196, 282);
31 }
32 }else if(i%5==0){
33 if(line==1) {
34 thum[i-1].setBounds(75*5+(296*4), 50*line, 196, 282);
35 }else {
36 thum[i-1].setBounds(75*5+(296*4), 50*line+282*(line-1), 196, 282);
37 }
38
39 }
40 if(i%5==0) {
41 line++;
42 }
43 thum[i-1].setOpaque(true);
44 thum[i-1].setIcon(new ImageIcon("src/thumbnails/"+i+".jpg"));//这里改成i就出毛病了
45 thum[i-1].setVerticalAlignment(JLabel.TOP);
46 this.add(thum[i-1]);
47 }
48 }异常显示:

来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/4741/viewspace-3165195/ ,如需转载,请注明出处,否则将追究法律责任。