用于将字节数组转换为字符串

HttpHelper.java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;

import javax.servlet.ServletRequest;


/**
 * 用于将字节数组转换为字符串
 *
 *
 *
 */
public class HttpHelper
{
    /**
     * 获取请求Body
     *
     * @param request
     * @return
     */
    public static String getBodyString(ServletRequest request)
    {
        StringBuilder sb = new StringBuilder();
        InputStream inputStream = null;
        BufferedReader reader = null;
        try
        {
            inputStream = request.getInputStream();
            reader = new BufferedReader(
                new InputStreamReader(inputStream, Charset.forName("UTF-8")));
            String line = "";
            while ((line = reader.readLine()) != null)
            {
                sb.append(line);
            }
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        finally
        {
            if (inputStream != null)
            {
                try
                {
                    inputStream.close();
                }
                catch (IOException e)
                {
                    e.printStackTrace();
                }
            }
            if (reader != null)
            {
                try
                {
                    reader.close();
                }
                catch (IOException e)
                {
                    e.printStackTrace();
                }
            }
        }
        return sb.toString();
    }
}