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Two methods for website access to QQ login_javascript skills

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Release: 2016-05-16 16:41:30
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First introduce the authorization js file

<script type="text/javascript" src="http://qzonestyle.gtimg.cn/qzone/openapi/qc_loader.js" data-appid="101140406" data-redirecturi="http://127.0.0.1" charset="utf-8"></script>
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Then log in via QQ

第一种使用系统自带按钮登录,但是这样会弹出新窗口,不喜欢 
//调用QC.Login方法,指定btnId参数将按钮绑定在容器节点中 
QC.Login({ 
//btnId:插入按钮的节点id,必选 
btnId:"qqLoginBtn", 
//用户需要确认的scope授权项,可选,默认all 
scope:"all", 
//按钮尺寸,可用值[A_XL| A_L| A_M| A_S| B_M| B_S| C_S],可选,默认B_S 
size: "B_M" 
}, function(reqData, opts){//登录成功 
console.log(reqData, opts); 
//根据返回数据,更换按钮显示状态方法 
var dom = document.getElementById(opts['btnId']), 
_logoutTemplate=[ 
//头像 
'<span><img src="{figureurl}" class="{size_key}"/></span>', 
//昵称 
'<span>{nickname}</span>', 
//退出 
'<span><a href="javascript:QC.Login.signOut();" rel="external nofollow" >退出</a></span>' 
].join(""); 
dom && (dom.innerHTML = QC.String.format(_logoutTemplate, { 
nickname : QC.String.escHTML(reqData.nickname), //做xss过滤 
figureurl : reqData.figureurl 
})); 
}, function(opts){//注销成功 
alert('QQ登录 注销成功'); 
}); 

第二种,使用自定义按钮<a>标签链接过去,然后成功后调用这个地址,a标签的href可以参考第一种window.location 
QC.api("get_user_info", {}) 
//指定接口访问成功的接收函数,s为成功返回Response对象 
.success(function(s){ 
console.log(s); 
//成功回调,通过s.data获取OpenAPI的返回数据 
alert("获取用户信息成功!当前用户昵称为:"+s.data.nickname); 
}) 
//指定接口访问失败的接收函数,f为失败返回Response对象 
.error(function(f){ 
//失败回调 
alert("获取用户信息失败!"); 
}) 
//指定接口完成请求后的接收函数,c为完成请求返回Response对象 
.complete(function(c){ 
//完成请求回调 
alert("获取用户信息完成!"); 
}); 

//检查是否登录 
if(QC.Login.check()){//如果已登录 
QC.Login.getMe(function(openId, accessToken){ 
alert(["当前登录用户的", "openId为:"+openId, "accessToken为:"+accessToken].join("\n")); 
}); 
//这里可以调用自己的保存接口 
//... 
}
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