摘要：列子： public static void main(String[] args) throws IOException { File file = new File("F:\\jimmy\\a.txt"); if(!file.exists()) file.createNewFile(); OutputStream out = new FileOutputStream(file); out.write(new String("我\n勒\n了\n个\n去").getBytes()); out.close(); }打开文本，里面内容为：我■勒■了■个■去。 阅读全文

摘要：import java.util.regex.Matcher;import java.util.regex.Pattern;//正则表达式替换字符方法public class PatternReplaceExmple{ private static Pattern p ; private static Matcher m ; //str为要匹配的字符格式 public static void setPattern(String str){ p = Pattern.compile(str); } public static void setPattern(String str,... 阅读全文