//获取应用实例
var app = getApp()
Page({
 data:{
 iconType:[
  'success','success_circle','success_on_circle','waiting','waiting_circle','safe_success','safe_warn','warn','info',
  'info_circle','circle','download','cancel','search','clear'
 ]
 },
})

 
  {{text}}
 
 
  {{add}}
  {{remove}}
  

//获取应用实例
var app = getApp()
//定义额外的文本内容数组
var extraLine = [];
//初始化文本
var init='Initdata! \n'
Page({
 data:{
 text:init,
 add:'添加',
 remove:'删除'
 },
/*
*添加一行内容
 */
addLine:function(e){
 extraLine.push("This line is new add!")
 this.setData({
  text:init+extraLine.join('\n')
 })
},
/*
*删除一行内容
 */
removeLine:function(e){
 if (extraLine.length > 0) {
  extraLine.pop()
  this.setData({
  text:init + '\n' + extraLine.join('\n')
  })
 }
},
})

.show-text{
 font-size: 10pt;
 margin-left: 20rpx;
 font-family: 'Times New Roman', Times, serif;
 font-weight: bold;
}
.text-view{
 padding: 10rpx;
}
button{
 margin: 10rpx;
}

progress{
 margin: 50rpx;
}

 导航到新页面
 当前页面
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.nav-hover{
 color: white;
 background-color: black;
}
.nav-item{
 margin: 20rpx;
 font-family: 'Times New Roman', Times, serif;
 font-weight: bold;
 padding: 10rpx;
 display: inline-flex;
}

导航到的新页面