java简单仿winhttp 发送get post请求

package java_http;import java.io.*;import java.net.URL;import java.net.URLConnection;import java.util.ArrayList;import java.util.List;import java.util.Map;/** * Created by 淡漠Vip * Email: [e-mail] */public class JavaHttp {    private String f_cookies = "";    private String f_xieyitou = "";    private String Status = "";    public String getF_cookies() {        return f_cookies;    }    public String getF_xieyitou() {        return f_xieyitou;    }    public String getStatus() {        return Status;    }    /***     * 去除数组中重复的记录     * @param a     * @return     */    public String[] array_unique(String[] a) {        // array_unique        java.util.List list = new ArrayList();        for (int i = 0; i < a.length; i++) {            if (!list.contains(a[i])) {                list.add(a[i]);            }        }        return (String[]) list.toArray(new String[list.size()]);    }    private byte[] byteMerger(byte[] byte_1, byte[] byte_2) {        byte[] byte_3 = new byte[byte_1.length + byte_2.length];        System.arraycopy(byte_1, 0, byte_3, 0, byte_1.length);        System.arraycopy(byte_2, 0, byte_3, byte_1.length, byte_2.length);        return byte_3;    }    private byte[] GetMeass(InputStream in) throws IOException {        byte[] by = new byte[1024];        byte[] reault = null;        while (in.read(by) > 0) {            reault = byteMerger(reault, by);        }        return reault;    }    /***     * 获取协议头名     * @param data     * @return     */    private String getXYName(String data) {        int Sy = data.indexOf(":");        String realt = data.substring(0, Sy);        if (realt.isEmpty())            realt = null;        else {            realt = realt.trim();        }        // System.out.print("协议数据：" + data + "\n截取协议头Name：" + realt + "\n");        return realt;    }    /***     * 获取协议头值     * @param data     * @return     */    private String getXYValu(String data) {        int Sy = data.indexOf(":");        String realt = data.substring(Sy + 1, data.length());        if (realt.isEmpty())            realt = null;        else {            realt = realt.trim();        }        // System.out.print("协议数据：" + data + "\n截取协议头Valu：" + realt + "\n");        return realt;    }    /**     * 合并更新Cookies     *     * @param oldcks     * @param newcks     * @return     */    public String merge_Cookies(String oldcks, String newcks) {        // 合并更新Cookies        String newcookies = null, Name = null, Value = null;        String[] odeck = null, newck = null;        int sy = 0;        java.util.List Z = new ArrayList();        boolean biaozhi = false;        odeck = oldcks.split(";");        newck = newcks.split(";");        for (int i = 0; i < newck.length; i++) {            Name = getCookiesName(newck[i]);            Value = getCookiesValue(newck[i]);            for (int j = 0; j < odeck.length; j++) {                if (odeck[j].contains(Name)) {                    odeck[j] = Name + "=" + Value;                    biaozhi = true;                    break;                }            }            if (biaozhi == false) {                Z.add(Name + "=" + Value + ";");            }        }        for (int i = 0; i < odeck.length; i++) {            newcookies += odeck[i] + "; ";        }        String a = null;        a = Z.toString().replace("[", "");        a = a.replace("]", "");        a = a.replace(",", "");        a = a.replace("null", "");        newcookies += a;        return newcookies;    }    /**     * 获取Cookies名     *     * @param data     * @return     */    private String getCookiesName(String data) {        String Name = null;        int sy = 0;        data = data.replace(",", "");        data = data.trim();        if (data.contains("=")) {            sy = data.indexOf("=");            Name = data.substring(0, sy);        } else {            Name = "";        }        Name = Name.trim();        // System.out.println("取Cookies名:" + Name);        return Name;    }    /***     * 获取Cookies值     * @param data     * @return     */    private String getCookiesValue(String data) {        String Value = null;        int sy = 0;        data = data.trim();        if (data.contains("=")) {            sy = data.indexOf("=");            Value = data.substring(sy + 1, data.length());        } else {            Value = "";        }        Value = Value.trim();        // System.out.println("取Cookies值:" + Value);        return Value;    }    /**     * 整理Cookies     *     * @param odeck     * @return     */    private String finishingCookies(String odeck) {        // 整理Cookies        String newck = null, Name = null, Value = null;        String[] data = null;        data = odeck.split(";");        data = array_unique(data);        for (int i = 0; i < data.length; i++) {            Name = getCookiesName(data[i]);            Value = getCookiesValue(data[i]);            if (Name.isEmpty() == false && Value.isEmpty() == false) {                newck = newck + Name + "=" + Value + "; ";            }        }        return newck;    }    /***     *  返回状态码     * @return     */    public String Get_Status() {        return Status;    }    /***     * 网页访问     * @param urlNameString 请求url     * @param data 请求数据     * @param way 请求方式     * @param cookies 请求cookies     * @param xieyi 请求协议头     * @return     */    public byte[] sendData(String urlNameString, String data, String way, String cookies, String xieyi) {        String result = "";        String[] strarr = null;        String xieyitou = "";        BufferedReader in = null;        byte[]  returnBytes=null;        try {            way = way.toUpperCase();            URL realUrl = new URL(urlNameString);            URLConnection connection = realUrl.openConnection();            if (xieyi.isEmpty())                xieyitou = "Accept: */*\n";            if (xieyi.contains("Accept") == false && xieyi.isEmpty() == false) {                xieyitou = xieyitou + "\nAccept: */*\n";            }            if (xieyi.isEmpty() == false)                xieyitou = xieyi + "\n";            if (xieyi.contains("Referer:") == false)                xieyitou = xieyitou + "Referer:" + urlNameString + "\n";            if (xieyi.contains("Accept-Language:") == false)                xieyitou = xieyitou + "Accept-Language: zh-cn\n";            if (xieyi.contains("User-Agent:") == false)                xieyitou = xieyitou + "User-Agent: Mozilla/4.0 (compatible; MSIE 9.0; Windows NT 6.1)\n";            if (xieyi.contains("Content-Type:") == false)                xieyitou = xieyitou + "Content-Type: application/x-www-form-urlencoded\n";            if (cookies != null)                connection.setRequestProperty("Cookie", cookies);            // System.out.print("附加协议头：\n" + xieyitou + "\n");            strarr = xieyitou.split("\n");            for (int i = 0; i < strarr.length; i++) {                connection.setRequestProperty(getXYName(strarr[i]), getXYValu(strarr[i]));            }            System.out.println("访问方式:" + way + "\n");            switch (way) {                case "GET":                    connection.connect();                    break;                case "POST":                    connection.setDoOutput(true);                    connection.setDoInput(true);                    PrintWriter out = null;                    out = new PrintWriter(connection.getOutputStream());                    // System.out.println("发送数据：\n"+data );                    out.print(data);                    out.flush();                    // System.out.println("发送数据：\n"+data );                    break;                default:                    break;            }            f_xieyitou = "";            Status = connection.getHeaderField("Status");            System.out.println("请求状态码:" + Status);            Map<String, List<String>> map = connection.getHeaderFields();            String value;            for (String key : map.keySet()) {                value = map.get(key).toString().replace("[", "");                value = value.replace("]", "");                f_xieyitou += key + ": " + value + "\n";            }            f_cookies = f_xieyitou.substring(f_xieyitou.indexOf("Set-Cookie:") + 11,                    f_xieyitou.indexOf("\n", f_xieyitou.indexOf("Set-Cookie:"))).trim();            f_cookies = f_cookies.replace("Path=/,", "");            f_cookies = f_cookies.replace("Path=/", "");            f_cookies = f_cookies.replace("path=/", "");            f_cookies = f_cookies.replace("Path=", "");            f_cookies = f_cookies.replace(",", ";");            f_cookies = finishingCookies(f_cookies);            // System.out.println(way+"返回协议头：\n"+f_xieyitou);            ByteArrayOutputStream outs = new ByteArrayOutputStream();            InputStream ins = connection.getInputStream();            byte[] tempdatas = new byte[1024];            int len=-1;            while((len=ins.read(tempdatas,0,tempdatas.length))!=-1){                outs.write(tempdatas,0,len);            }            returnBytes=outs.toByteArray();        } catch (Exception e) {            System.err.println("发送GET请求出现异常！" + e);            e.printStackTrace();            return null;        }        // 使用finally块来关闭输入流        finally {            try {                if (in != null) {                    in.close();                }            } catch (Exception e2) {                e2.printStackTrace();            }        }        return returnBytes;    }}