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本文实例为大家分享了java获取不同路径的方法，供大家参考，具体内容如下
实体类:
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public class userlist
{
public string total { get; set; }
public string count { get; set; }
public userlistopenid data { get; set; }
public string next_openid { get; set; }
}
public class userlistopenid
{
public list<string> openid { get; set;
}
public class userdetail
{
public int subscribe { get; set; }
public string openid { get; set; }
public string nickname { get; set; }
public int sex { get; set; }
public string language { get; set; }
public string city { get; set; }
public string province { get; set; }
public string country { get; set; }
public string headimgurl { get; set; }
public int subscribe_time { get; set; }
public string unionid { get; set; }
public string remark { get; set; }
public int groupid { get; set; }
public int[] tagid_list { get; set; }
}
getuser.aspx代码:
<%@ page language="c#" autoeventwireup="true" codebehind="getuser.aspx.cs" inherits="mytest.webui.manager.usermsg.getuser" %>
<!doctype html>
<html lang="zh-cn">
<head>
<meta charset="utf-8">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title></title>
<!-- bootstrap -->
<link href="//cdn.bootcss.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet">
<!--[if lt ie 9]>
<script src="//cdn.bootcss.com/html5shiv/3.7.2/html5shiv.min.js"></script>
<script src="//cdn.bootcss.com/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<body>
<form runat="server">
<div class="container">
<div class="row">
<div class="col-md-6 col-md-push-2">
<asp:button class="btn btn-primary" id="btnget" runat="server" text="获取所有用户openid" onclick="btnget_click" />
</div>
<div class="col-md-6 col-md-pull-2">
<asp:dropdownlist cssclass="form-control" id="ddlopenids" runat="server" autopostback="true" onselectedindexchanged="ddlopenids_selectedindexchanged"></asp:dropdownlist>
<asp:label id="lblmsg" runat="server" text=""></asp:label>
<asp:image class="img-circle" id="imghead" runat="server" width="180px" height="180px" />
</div>
</div>
</div>
<script src="//cdn.bootcss.com/jquery/1.11.3/jquery.min.js"></script>
<script src="//cdn.bootcss.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
</form>
</body>
</html>
public partial class getuser : system.web.ui.page
{
protected void page_load(object sender, eventargs e)
{
}
//获取用户列表
protected void btnget_click(object sender, eventargs e)
{
string next_opid = string.empty;
string url = "https://api.weixin.qq.com/cgi-bin/user/get?access_token="+mainarg.get_token()+"&next_openid=";
httpwebrequest req = (httpwebrequest)httpwebrequest.create(url);
using (httpwebresponse response = (httpwebresponse)req.getresponse())
{
streamreader sr = new streamreader(response.getresponsestream());
string result = sr.readtoend();
sr.close();
mytest.common.entity.userlist userlist = mytest.common.util.jsonentityexchange<mytest.common.entity.userlist>.json2entity(result);
//response.write(userlist.count + "/"+userlist.data+"/"+userlist.next_openid+"/"+userlist.total);
ddlopenids.datasource = userlist.data.openid;
ddlopenids.datatextfield = "";
ddlopenids.datavaluefield = "";
ddlopenids.databind();
listitem item = new listitem();
item.text = "--请选择用户的openid--";
item.value = "--0--";
ddlopenids.items.insert(0, item);
}
}
//获取用户基本信息（包括unionid机制）
protected void ddlopenids_selectedindexchanged(object sender, eventargs e)
{
string url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token="+ mainarg.get_token() + "&openid="+ddlopenids.selecteditem.text+"&lang=zh_cn ";
httpwebrequest req = (httpwebrequest)httpwebrequest.create(url);
using (httpwebresponse response = (httpwebresponse)req.getresponse())
{
streamreader sr = new streamreader(response.getresponsestream());
string result = sr.readtoend();
sr.close();
mytest.common.entity.userdetail user= mytest.common.util.jsonentityexchange<mytest.common.entity.userdetail>.json2entity(result);
lblmsg.text = user.subscribe + "/" + user.openid + "/" + user.nickname + "/";
imghead.imageurl = user.headimgurl;
}
}
}
mainarg.cs获取accesstoken帮助类：
public class mainarg
{
//测试号
public static string appid = "wx3eb5bf1290db2ca0";
public static string secret = "e6013be0a7338c7d3e02877db116e231";
public string jsapi_ticket;
public string noncestr;
public long timestamp;
public string signature;
private static string path = httpcontext.current.server.mappath(@"~/templepath");
private static string tokenpath = httpcontext.current.server.mappath(@"~/templepath/token.txt");
private static string ticketpath = httpcontext.current.server.mappath(@"~/templepath/ticket.txt");
public mainarg() {
noncestr = getnoncestr();
timestamp = gettime();
}
/// <summary>
/// 获取access_token
/// </summary>
/// <returns></returns>
public static string get_token()
{
string token = null;
//判断是否存在或过期
if (file.exists(tokenpath)) {
filestream fs = new filestream(tokenpath, filemode.open);
var serializer = new datacontractjsonserializer(typeof(acctoken));
acctoken readjstoken = (acctoken)serializer.readobject(fs);
fs.close();
fileinfo fi = new fileinfo(tokenpath);
if (checktimeout(fi.lastwritetime) < (readjstoken.expires_in-200)) {
return token = readjstoken.access_token;
}
}
string url = @"https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&";
string urlarg = @"appid=" + appid + @"&secret=" + secret;
// httputility.urlencode(appid,encoding.getencoding("utf-8"));
url += urlarg;
httpwebrequest req = (httpwebrequest)httpwebrequest.create(url);
using (webresponse response = req.getresponse())
{
stream s = response.getresponsestream();
streamreader sr = new streamreader(s);
token = sr.readtoend();
if (!directory.exists(path))
{
directory.createdirectory(path);
}
if (file.exists(tokenpath))
{
file.delete(tokenpath);
}
filestream fs = file.create(tokenpath);
streamwriter sw = new streamwriter(fs);
sw.write(token);
sw.flush();
sw.close();
fs.close();
filestream fs1 = new filestream(tokenpath, filemode.open);
var serializer = new datacontractjsonserializer(typeof(acctoken));
acctoken readjstoken = (acctoken)serializer.readobject(fs1);
fs1.close();
token = readjstoken.access_token;
return token;
}
}
/// <summary>
/// 获取ticket
/// </summary>
/// <returns></returns>
public string getticket() {
string ticket = null;
// 判断是否存在或过期
if (file.exists(ticketpath))
{
filestream fs = new filestream(ticketpath, filemode.open);
var serializer = new datacontractjsonserializer(typeof(jsticket));
jsticket readjsticket = (jsticket)serializer.readobject(fs);
fs.close();
fileinfo fi = new fileinfo(ticketpath);
if (checktimeout(fi.lastwritetime) < (readjsticket.expires_in - 200))
{
return ticket = readjsticket.ticket;
}
}
string url = @"https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&";
string urlarg = @"access_token="+get_token();
// httputility.urlencode(appid,encoding.getencoding("utf -8"));
url += urlarg;
httpwebrequest req = (httpwebrequest)httpwebrequest.create(url);
using (webresponse response = req.getresponse())
{
stream s = response.getresponsestream();
streamreader sr = new streamreader(s);
ticket = sr.readtoend();
if (!directory.exists(path))
{
directory.createdirectory(path);
}
if (file.exists(ticketpath))
{
file.delete(ticketpath);
}
filestream fs = file.create(ticketpath);
streamwriter sw = new streamwriter(fs);
sw.write(ticket);
sw.flush();
sw.close();
fs.close();
filestream fs1 = new filestream(ticketpath, filemode.open);
var serializer = new datacontractjsonserializer(typeof(jsticket));
jsticket readjsticket = (jsticket)serializer.readobject(fs1);
fs1.close();
ticket = readjsticket.ticket;
return ticket;
}
}
//
public static long gettime() {
return convert.toint64((datetime.utcnow - new datetime(1970, 1, 1, 0, 0, 0, 0)).totalseconds);
}
public static string gettimestring(datetime dt)
{
timespan ts = dt.touniversaltime() - new datetime(1970, 1, 1, 0, 0, 0, 0);
return convert.toint64(ts.totalseconds).tostring();
}
//获取16位随机字符串
public static string getnoncestr()
{
int length = 16;
string chars = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789";
string str = "";
random rad = new random();
for (int i = 0; i < length; i++)
{
str += chars.substring(rad.next(0, chars.length - 1), 1);
}
return str;
}
//得到签名
public string getsign() {
jsapi_ticket = getticket();
string s1 = string.format("jsapi_ticket={0}&noncestr={1}×tamp={2}&url=http://winsee.imwork.net/manager/main/testjs.aspx", jsapi_ticket, noncestr, timestamp.tostring());
signature = getsha1(s1);
return signature;
}
public static string getsha1(string strsource)
{
string strresult = string.empty;
system.security.cryptography.sha1 sha = system.security.cryptography.sha1.create();
byte[] bytresult = sha.computehash(system.text.encoding.utf8.getbytes(strsource));
for (int i = 0; i < bytresult.length; i++)
{
strresult = strresult + bytresult[i].tostring("x2");
}
return strresult;
}
//sha1哈希加密算法
public static string getsha1_1(string str_sha1_in)
{
sha1 sha1 = new sha1cryptoserviceprovider();
byte[] bytes_sha1_in = encoding.default.getbytes(str_sha1_in);
byte[] bytes_sha1_out = sha1.computehash(bytes_sha1_in);
string str_sha1_out = bitconverter.tostring(bytes_sha1_out);
str_sha1_out = str_sha1_out.replace("-", "").tolower();
return str_sha1_out;
}
// 判断是否超过7200s
public static long checktimeout(datetime changetime)
{
return convert.toint64((datetime.now - changetime).totalseconds);
}
}
# region 创建json序列化 及反序列化类目
//创建json类 保存文件 ticket.txt
public class acctoken
{
public string access_token { get; set; }
public long expires_in { get; set; }
}
//创建从微信返回结果的一个类 用于获取ticket
public class jsticket
{
public long errcode { get; set; }
public string errmsg { get; set; }
public string ticket { get; set; }
public long expires_in { get; set; }
}
#endregion
json序列化，反序列化
public class jsonentityexchange<t> where t:new()
{
/// <summary>
/// json转实体list
/// </summary>
/// <param name="jsonstr"></param>
/// <returns></returns>
public static list<t> json2entitys(string jsonstr)
{
javascriptserializer serializer = new javascriptserializer();
list<t> objs = serializer.deserialize<list<t>>(jsonstr);
return objs;
}
/// <summary>
/// json转实体
/// </summary>
/// <param name="json"></param>
/// <returns></returns>
public static t json2entity(string json)
{
t obj = activator.createinstance<t>();
using (memorystream ms = new memorystream(encoding.utf8.getbytes(json)))
{
datacontractjsonserializer serializer = new datacontractjsonserializer(obj.gettype());
return (t)serializer.readobject(ms);
}
}
/// <summary>
/// 实体转json
/// </summary>
/// <param name="lists">实体list</param>
/// <returns></returns>
public static string entity2json(list<t> lists) {
return new javascriptserializer().serialize(lists);
}
}
结果如图:
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