java网络编程____简单的字符流操作(reader,writer)

package com.test.net.utils;import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.InputStream;
import java.io.InputStreamReader;/*** &＃64;author Administrator* 字符流操作*/
public class CharStreamOper {public static void main(String[] args) throws Exception {//bufferReaderInputStream in&＃61;new FileInputStream("test.txt");readStream(in);//filereaderfileWriteOpe();}/*** &＃64;throws Exception * &＃64;读取 request的流 ,ftp通道的流 等流信息*/public static String readStream(InputStream in) throws Exception{// 读取请求内容BufferedReader reader &＃61; new BufferedReader(new InputStreamReader(in, "UTF-8"));String line &＃61; null;StringBuilder sb &＃61; new StringBuilder();while ((line &＃61; reader.readLine()) !&＃61; null) {sb.append(line);}System.out.println(sb.toString());return sb.toString(); }public static void fileWriteOpe() throws Exception {//写入文件FileWriter fileWriter &＃61; new FileWriter("test.txt");StringBuilder sbd &＃61; new StringBuilder();sbd.append("掌声那单点的的的的单点的\n");sbd.append("2掌声那放到飞凤舞法国恢复\n");sbd.append("3掌声那 撒旦法撒旦法是 旦法是掌声那 撒旦法撒旦法是 旦法是 掌声那 撒旦法撒旦法是 旦法是");fileWriter.write(sbd.toString());if (null !&＃61; fileWriter) {fileWriter.close();}System.out.print("写入成功....\n");// 读取写入的文件FileReader fileReader &＃61; new FileReader("test.txt");int len;StringBuilder sbReader &＃61; new StringBuilder();while ((len &＃61; fileReader.read()) !&＃61; -1) {sbReader.append((char)len);}System.out.println("读取文件_______:\n"&＃43;sbReader);}
}


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