小程序同一页面不同按钮转发不同样式

wxml页面

<button class="share-btn" open-type="share" id="1"></button>
<button class="share-btn" open-type="share" id="2"></button>

js页面代码

onShareAppMessage: function (res) {
var that = this;
if (res.from == "button") {
if (res.target.id == 1) {
?? return {
?? title: ‘1要分享的标题‘,
????path: ‘/pages/index/index‘,
????success: function (res) {

??}
??}

}
?? if (res.target.id == 2) {
return {
?? title: ‘2要分享的标题‘,
????success: function (res) {

??}
??}
}

}

//默认
else {
return {
?? title: ‘右上角要分享的标题‘,
????success: function (res) {

??}
??}

}
}