Base64字符串解码成png或者pdf

最新推荐文章于 2024-04-29 04:28:15 发布

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最新推荐文章于 2024-04-29 04:28:15 发布 · 1.8k 阅读

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Base64字符串解码成png或者pdf

package Demo;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;

import sun.misc.BASE64Decoder;

public class txttest {
/**
*
* @param file
* @return
*/
public static String txt2String(File file){
StringBuilder result = new StringBuilder();
try{
BufferedReader br = new BufferedReader(new FileReader(file));
String s = null;
String str="";
while((s =