public class TestFileInputStream { public static void main(String [] args) { //读取指定文件中内容,并在控制台输出 FileInputStream fis = null; byte[] b = new byte[1024]; int len = 0; try { fis = new FileInputStream("E:\\javafile\\ja.txt"); while((len = fis.read(b
1.将前端上传的html文件全部读取出来,并用string字符串返回出去解析的内容 public static String openFile(MultipartFile file) { try { BufferedReader bis = new BufferedReader(new InputStreamReader(file.getInputStream())); StringBuilder szContent = new StringBuilder(); String szTemp; w
IOUtils.getStringFromReader() 读取方式为最快的 InputStream in = null; String line = ""; long start=0,end=0; try { start = System.currentTimeMillis(); in = new FileInputStream(new File("D://1.txt")); InputStreamReader stream = new InputStreamRe
很多时候,我们都将配置文件放在eclipse的src目录下,这个位置,相当于,当导出可执行jar包后,配置文件放在和jar同级的目录中,比如jar包放在/opt目录下,则配置文件放在/opt下,则jar包就可以读取配置文件中的内容.此时,java代码中可以通过 String path=CommonOperation.class.getResource("/").getPath(); FileInputStream fin = new FileInputStream(path+"