微信小程序項(xiàng)目總結(jié)之點(diǎn)贊 刪除列表 分享功能

data:{ 
 likes:{ 
 iszan:false, 
 num:0 
} 
} 

bindlike:function(e){ 
 var newData = this.data.release.map(function(item){ 
 if (item.id == e.currentTarget.dataset.id){ 
 console.log(item.id + e.currentTarget.dataset.id ) 
 if(item.likes.iszan){ 
 var obj = {} 
 obj.iszan = !item.likes.iszan; 
 obj.num = item.likes.num -1 ; 
 return Object.assign({},item,{likes:obj}) 
 }else { 
 var obj = {} 
 obj.iszan = !item.likes.iszan; 
 obj.num = item.likes.num + 1; 
 return Object.assign({}, item, { likes: obj }) 
 } 
 }else { 
 return item 
 } 
 }) 
 this.setData ({ 
 release:newData 
 }) 
 }, 

//刪除評(píng)論 
 binddelete:function(e){ 
 var that = this; 
 wx.showModal({ 
 title: '提示', 
 content: '確認(rèn)撤回嗎？', 
 success:function(res){ 
 if(res.confirm){ 
 console.log('用戶點(diǎn)擊確定') 
 // 獲取要?jiǎng)h除數(shù)據(jù)的id 
 var dataid = e.currentTarget.dataset.id; 
 console.log(dataid) 
 // 刪除數(shù)組對(duì)應(yīng)的數(shù)據(jù)內(nèi)容 
 var release = that.data.release; 
 that.data.release.splice(dataid,1) 
 //判斷數(shù)據(jù)的長(zhǎng)度 
 var len = that.data.release.length; 
 //通過(guò)判斷數(shù)組的長(zhǎng)度來(lái)決定是否顯示隱藏的部分 
 that.setData ({ 
 release: that.data.release 
 }) 
 }else if(res.cancel){ 
 console.log('用戶點(diǎn)擊取消') 
 } 
 } 
 }) 
 }, 

Page({ 
 onShareAppMessage: function (res) { 
 if (res.from === 'button') { 
 // 來(lái)自頁(yè)面內(nèi)轉(zhuǎn)發(fā)按鈕 
 console.log(res.target) 
 } 
 return { 
 title: '自定義轉(zhuǎn)發(fā)標(biāo)題', 
 path: '/page/user?id=123' 
 } 
 } 
})