java实现查找替换功能

2023-08-25 06:44:06 424

if(searchTxt.getText().equals("")){ JOptionPane.showMessageDialog(null,"查找内容不能为空！"); }elseif(!searchTxt.getText().equals("")){ //searchDialog.dispose(); if(fileChoose.focus==1){ fileChoose.tp1.requestFocus(true); str=fileChoose.tp1.getText(); startPosition=str.indexOf(searchTxt.getText()); endPosition=startPosition+searchTxt.getText().length(); fileChoose.tp1.select(startPosition,endPosition); newEndPosition=endPosition; }elseif(fileChoose.focus==2){ fileChoose.tp2.requestFocus(true); str=fileChoose.tp2.getText(); startPosition=str.indexOf(searchTxt.getText()); endPosition=startPosition+searchTxt.getText().length(); fileChoose.tp2.select(startPosition,endPosition); newEndPosition=endPosition; } }

nextTemp=newEndPosition; if(fileChoose.focus==1){ strAll=fileChoose.tp1.getText(); fileChoose.tp1.select(nextTemp,strAll.length());//选中所有未查找的字符串 nextStr=fileChoose.tp1.getSelectedText(); newStartPosition=nextStr.indexOf(searchTxt.getText())+nextTemp;//在未查找的字符串中查找对应字符在tp1中的位置 newEndPosition=newStartPosition+searchTxt.getText().length(); fileChoose.tp1.select(newStartPosition,newEndPosition);//找到文本，选择文本 }elseif(fileChoose.focus==2){ strAll=fileChoose.tp2.getText(); fileChoose.tp2.select(nextTemp,strAll.length());//选中所有未查找的字符串 nextStr=fileChoose.tp2.getSelectedText(); newStartPosition=nextStr.indexOf(searchTxt.getText())+nextTemp;//在未查找的字符串中查找对应字符在tp1中的位置 newEndPosition=newStartPosition+searchTxt.getText().length(); fileChoose.tp2.select(newStartPosition,newEndPosition);//找到文本，选择文本 }

if(fileChoose.focus==1){ fileChoose.tp1.requestFocus(true); str=fileChoose.tp1.getText(); startPosition=str.indexOf(searchTxt.getText()); endPosition=startPosition+searchTxt.getText().length(); fileChoose.tp1.replaceSelection(replaceTxt.getText()); newEndPosition=endPosition; }elseif(fileChoose.focus==2){ fileChoose.tp2.requestFocus(true); str=fileChoose.tp2.getText(); startPosition=str.indexOf(searchTxt.getText()); endPosition=startPosition+searchTxt.getText().length(); fileChoose.tp2.replaceSelection(replaceTxt.getText()); newEndPosition=endPosition; }

if(fileChoose.focus==1){ fileChoose.tp1.requestFocus(true); nextTemp=newEndPosition; strAll=fileChoose.tp1.getText();//////////////////////////////// fileChoose.tp1.select(nextTemp,strAll.length());///////////////////////////// nextStr=fileChoose.tp1.getSelectedText(); newStartPosition=nextStr.indexOf(searchTxt.getText())+nextTemp; newEndPosition=newStartPosition+searchTxt.getText().length(); fileChoose.tp1.select(newStartPosition,newEndPosition); fileChoose.tp1.replaceSelection(replaceTxt.getText()); }elseif(fileChoose.focus==2){ fileChoose.tp2.requestFocus(true); nextTemp=newEndPosition; strAll=fileChoose.tp2.getText(); fileChoose.tp2.select(nextTemp,strAll.length()); nextStr=fileChoose.tp2.getSelectedText(); newStartPosition=nextStr.indexOf(searchTxt.getText())+nextTemp; newEndPosition=newStartPosition+searchTxt.getText().length(); fileChoose.tp2.select(newStartPosition,newEndPosition); fileChoose.tp2.replaceSelection(replaceTxt.getText()); }

java实现查找替换功能

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