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我想查找jtextfields(sht1到sht13)的总和并将结果放入llog jtextfield中,但是如果我不将值放入每个jtextfield(sht1到sht13) 如何解决我的代码,它需要的是我选择把价值上jtextfields在一个jtextfields中的总和值
private void llogMouseClicked(java.awt.event.MouseEvent evt) {
try{
int sht1 = Integer.parseInt(vl1.getText());
int sht2 = Integer.parseInt(vl2.getText());
int sht3 = Integer.parseInt(vl3.getText());
int sht4 = Integer.parseInt(vl4.getText());
int sht5 = Integer.parseInt(vl5.getText());
int sht6 = Integer.parseInt(vl6.getText());
int sht7 = Integer.parseInt(vl7.getText());
int sht8 = Integer.parseInt(vl8.getText());
int sht9 = Integer.parseInt(vl9.getText());
int sht10 = Integer.parseInt(vl10.getText());
int sht11 = Integer.parseInt(vl11.getText());
int sht12 = Integer.parseInt(vl12.getText());
int sht13 = Integer.parseInt(vl13.getText());
if (vl1.getText()==null||vl2.getText()==null||vl3.getText()==null||vl4.getText()==null||vl5.getText()==null||vl6.getText()==null||vl7.getText()==null||vl8.getText()==null||vl9.getText()==null||vl10.getText()==null||vl11.getText()==null||vl12.getText()==null||vl13.getText()==null){
sht1=0;
sht2=0;
sht3=0;
sht4=0;
sht5=0;
sht6=0;
sht7=0;
sht8=0;
sht9=0;
sht10=0;
sht11=0;
sht12=0;
sht13=0;
int sum= sht1 + sht2 + sht3 + sht4 + sht5 + sht6 + sht7 + sht8 + sht9 + sht10 + sht11 + sht12 + sht13;
llog.setText(""+ sum);}