ionic 微信接口

1：将config.xml里面的<widget id="app包的名字" version="0.0.1" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">里面的id改为你的app包的名字（如：org.cadm.app）

获取openid
http://blog.csdn.net/liayn523/article/details/78415440

2：将ionic.config.json里面的name改为你的app的名字（如：cadm），app_id改为app包的名字（如：org.cadm.app）

3，修改package_name**

• 修改ionic.config.json中app_id（PACKAGE_NAME）：你的app包的名字（com.dengdd.sdkdemo）
• 修改/plugins/android.json中所有PACKAGE_NEME为这个值：你的app包的名字（com.dengdd.sdkdemo）

4，安装插件

cordova plugin add cordova-plugin-wechat --variable wechatappid=你申请微信appid
cordova plugin add cordova-plugin-qqsdk --variable QQ_APP_ID=你申请QQ的appid
cordova plugin add cordova-plugin-weibosdk --variable WEIBO_APP_ID=你申请微博的appid

微信登录[https://www.npmjs.com/package/cordova-plugin-wechat]
[https://github.com/xu-li/cordova-plugin-wechat]

cordova plugin add cordova-plugin-wechat --variable wechatappid=YOUR_WECHAT_APPID
cordova build ios or cordova build android

YOUR_WECHAT_APPID 微信开放平台
在需要用到的页面组件引入：

declare let Wechat;

判断是否安装微信

Wechat.isInstalled(function (installed) {
    alert("Wechat installed: " + (installed ? "Yes" : "No"));
}, function (reason) {
    alert("Failed: " + reason);
});

请求微信登录

var scope = "snsapi_userinfo",
    state = "_" + (+new Date());
Wechat.auth(scope, state, function (response) {
    // you may use response.code to get the access token.
    alert(JSON.stringify(response));
}, function (reason) {
    alert("Failed: " + reason);
});

分享文字

Wechat.share({
    text: "This is just a plain string",
    scene: Wechat.Scene.TIMELINE   // share to Timeline
}, function () {
    alert("Success");
}, function (reason) {
    alert("Failed: " + reason);
});

分享媒体（如链接，照片，音乐，视频等）

Wechat.share({
    message: {
        title: "Hi, there",
        description: "This is description.",
        thumb: "www/img/thumbnail.png",
        mediaTagName: "TEST-TAG-001",
        messageExt: "这是第三方带的测试字段",
        messageAction: "<action>dotalist</action>",
        media: "YOUR_MEDIA_OBJECT_HERE"
    },
    scene: Wechat.Scene.TIMELINE   // share to Timeline
}, function () {
    alert("Success");
}, function (reason) {
    alert("Failed: " + reason);
});

分享链接

Wechat.share({
    message: {
        ...
        media: {
            type: Wechat.Type.WEBPAGE,
            webpageUrl: "http://tech.qq.com/zt2012/tmtdecode/252.htm"
        }
    },
    scene: Wechat.Scene.TIMELINE   // share to Timeline
}, function () {
    alert("Success");
}, function (reason) {
    alert("Failed: " + reason);
});

发起支付请求

// See https://github.com/xu-li/cordova-plugin-wechat-example/blob/master/server/payment_demo.php for php demo
var params = {
    partnerid: '10000100', // merchant id
    prepayid: 'wx201411101639507cbf6ffd8b0779950874', // prepay id
    noncestr: '1add1a30ac87aa2db72f57a2375d8fec', // nonce
    timestamp: '1439531364', // timestamp
    sign: '0CB01533B8C1EF103065174F50BCA001', // signed string
};
 
Wechat.sendPaymentRequest(params, function () {
    alert("Success");
}, function (reason) {
    alert("Failed: " + reason);
});

选择发票

//offical doc https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1496561749_f7T6D
var params = {
    timeStamp: '1510198391', // timeStamp
    signType: 'SHA1', // sign type
    cardSign: 'dff450eeeed08120159d285e79737173aec3df94', // cardSign
    nonceStr: '5598190f-5fb3-4bff-8314-fd189ab4e4b8', // nonce
};
 
Wechat.chooseInvoiceFromWX(data,function(data){
    console.log(data);
},function(){
    alert('error');
})