java模拟有验证码的Http登陆

package com.cyq.request;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Scanner;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;

public class RequestMain {static HttpClient client = new HttpClient();

    public static void main(String[] args) {
         Init();
    }



    private static void Init() {
　　      getImage("用户名","密码");
    }

    private static void getImage(String name_get, String password_get) {
        GetMethod get = new GetMethod(
                "验证码URL地址");
        try {
            client.executeMethod(get);
            File storeFile = new File("D:/verifycode.jpg");//验证码暂存本地位置
            FileOutputStream output = new FileOutputStream(storeFile);
            InputStream is = get.getResponseBodyAsStream();
            FileOutputStream fos = new FileOutputStream(storeFile);
            byte[] b = new byte[1024];
            while ((is.read(b)) != -1) {
                fos.write(b);
            }
            is.close();
            fos.close();
            String codeVal = getCode();
            try {
                String code = codeVal.substring(0, codeVal.indexOf("\n") - 1);
                postRequest(name_get, password_get, code);
            } catch (Exception e) {
                System.out.println("e" + name_get + "验证码错误");
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static void postRequest(String name_data, String password_data,
            String code) {
        PostMethod postMethod = new PostMethod(
                "登陆时的post请求URL地址");
        NameValuePair[] data = { new NameValuePair("act", "add"),
                new NameValuePair("name", name_data),
                new NameValuePair("password", password_data),
                new NameValuePair("verify", code) };
        postMethod.setRequestBody(data);
        try {
            client.executeMethod(postMethod);
            String text = postMethod.getResponseBodyAsString();
            // 匹配结果集中是否有匹配的字符串
            if (text.indexOf("self.location=‘../../../module/webcontent/web/index_self.jsf") >= 0) {
                RESULT_DATA.add("用户名："+name_data+" 密码："+password_data);
                WriteResultToFile("用户名："+name_data+" 密码："+password_data);
                System.out.println("用户名" + name_data + "成功");
            } else {
                System.out.println("用户名" + name_data + "失败");
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static String getCode() {
        String valCode = null;
        String path = "d://verifycode.jpg";
        try {
            valCode = new OCR().recognizeText(new File(path), "jpg");
        } catch (IOException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return valCode;
    }
}