微信小程序实现点击页面出现文字

<view class="index" bindtap="index">
</view>
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</text>
<text class="text" style="left: {{text_bx}}px;top: {{text_by}}px;opacity: {{opacity_b}};" wx:if="{{text_b}}">
 {{text_b}}
</text>
<text class="text" style="left: {{text_cx}}px;top: {{text_cy}}px;opacity: {{opacity_c}};" wx:if="{{text_c}}">
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</text>
<text class="text" style="left: {{text_dx}}px;top: {{text_dy}}px;opacity: {{opacity_d}};" wx:if="{{text_d}}">
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</text>
<text class="text" style="left: {{text_ex}}px;top: {{text_ey}}px;opacity: {{opacity_e}};" wx:if="{{text_e}}">
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</text>
<text class="text" style="left: {{text_fx}}px;top: {{text_fy}}px;opacity: {{opacity_f}};" wx:if="{{text_f}}">
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.index{
 width: 100%;
 float: left;
 height: 100vh;
 background-color: #ffcccc;
}
.text{
 position: absolute;
 transition: all 1s;
 font-size: 26rpx;
 z-index: 9999;
}

Page({
 data: {
 index:0,
 },
 index:function(e){
 let that = this
 let array = ["富强", "民主", "文明", "和谐", "自由", "平等", "公正", "法治", "爱国", "敬业"]
 that.data.index = array.length == that.data.index ? 0 :that.data.index
 that.setData({
 index: that.data.index + 1,
 })
 let x = e.detail.x + 8
 let y = e.detail.y - 40
 if (that.data.index == 1 && !that.data.text_a){
 that.setData({
 text_a: array[that.data.index - 1],
 text_ax: x,
 text_ay: y,
 opacity_a: 1,
 })
 let timer_a = setInterval(function () {
 that.setData({
  opacity_a: 0,
  text_ay: y - 60,
 })
 setTimeout(function () {
  that.setData({
  text_a: '',
  })
 }, 1000)
 clearInterval(timer_a);
 }, 200)
 return false;
 }
 if (that.data.index == 2 && !that.data.text_b) {
 that.setData({
 text_b: array[that.data.index - 1],
 text_bx: x,
 text_by: y,
 opacity_b: 1,
 })
 let timer_b = setInterval(function () {
 that.setData({
  opacity_b: 0,
  text_by: y - 60,
 })
 setTimeout(function () {
  that.setData({
  text_b: '',
  })
 }, 1000)
 clearInterval(timer_b);
 }, 200)
 return false
 }
 if (that.data.index == 3 && !that.data.text_c) {
 that.setData({
 text_c: array[that.data.index - 1],
 text_cx: x,
 text_cy: y,
 opacity_c: 1,
 })
 let timer_c = setInterval(function () {
 that.setData({
  opacity_c: 0,
  text_cy: y - 60,
 })
 setTimeout(function () {
  that.setData({
  text_c: '',
  })
 }, 1000)
 clearInterval(timer_c);
 }, 200)
 return false
 }
 if (that.data.index == 4 && !that.data.text_d) {
 that.setData({
 text_d: array[that.data.index - 1],
 text_dx: x,
 text_dy: y,
 opacity_d: 1,
 })
 let timer_d = setInterval(function () {
 that.setData({
  opacity_d: 0,
  text_dy: y - 60,
 })
 setTimeout(function () {
  that.setData({
  text_d: '',
  })
 }, 1000)
 clearInterval(timer_d);
 }, 200)
 return false
 }
 if (that.data.index == 5 && !that.data.text_e) {
 that.setData({
 text_e: array[that.data.index - 1],
 text_ex: x,
 text_ey: y,
 opacity_e: 1,
 })
 let timer_e = setInterval(function () {
 that.setData({
  opacity_e: 0,
  text_ey: y - 60,
 })
 setTimeout(function () {
  that.setData({
  text_e: '',
  })
 }, 1000)
 clearInterval(timer_e);
 }, 200)
 return false
 }
 if (that.data.index == 6 && !that.data.text_f) {
 that.setData({
 text_f: array[that.data.index - 1],
 text_fx: x,
 text_fy: y,
 opacity_f: 1,
 })
 let timer_f = setInterval(function () {
 that.setData({
  opacity_f: 0,
  text_fy: y - 60,
 })
 setTimeout(function () {
  that.setData({
  text_f: '',
  })
 }, 1000)
 clearInterval(timer_f);
 }, 200)
 return false
 }
 if (that.data.index == 7 && !that.data.text_g) {
 that.setData({
 text_g: array[that.data.index - 1],
 text_gx: x,
 text_gy: y,
 opacity_g: 1,
 })
 let timer_g = setInterval(function () {
 that.setData({
  opacity_g: 0,
  text_gy: y - 60,
 })
 setTimeout(function () {
  that.setData({
  text_g: '',
  })
 }, 1000)
 clearInterval(timer_g);
 }, 200)
 return false
 }
 if (that.data.index == 8 && !that.data.text_h) {
 that.setData({
 text_h: array[that.data.index - 1],
 text_hx: x,
 text_hy: y,
 opacity_h: 1,
 })
 let timer_h = setInterval(function () {
 that.setData({
  opacity_h: 0,
  text_hy: y - 60,
 })
 setTimeout(function () {
  that.setData({
  text_h: '',
  })
 }, 1000)
 clearInterval(timer_h);
 }, 200)
 return false
 }
 if (that.data.index == 9 && !that.data.text_i) {
 that.setData({
 text_i: array[that.data.index - 1],
 text_ix: x,
 text_iy: y,
 opacity_i: 1,
 })
 let timer_i = setInterval(function () {
 that.setData({
  opacity_i: 0,
  text_iy: y - 60,
 })
 setTimeout(function () {
  that.setData({
  text_i: '',
  })
 }, 1000)
 clearInterval(timer_i);
 }, 200)
 return false
 }
 if (that.data.index == 10 && !that.data.text_j) {
 that.setData({
 text_j: array[that.data.index - 1],
 text_jx: x,
 text_jy: y,
 opacity_j: 1,
 })
 let timer_j = setInterval(function () {
 that.setData({
  opacity_j: 0,
  text_jy: y - 60,
 })
 setTimeout(function () {
  that.setData({
  text_j: '',
  })
 }, 1000)
 clearInterval(timer_j );
 }, 200)
 return false
 }
 },
})