WXML中很简单
<view class="COptAdv_row" wx:for="{{COptAdv_List}}">
<view class="COptAdv_Item1">{{item.Adv_Item1}}</view>
<view class="COptAdv_Dia1">{{item.Adv_Dia_Para1}}</view>
<view class="COptAdv_Item2">{{item.Adv_Item2}}</view>
<view class="COptAdv_Dia2">{{item.Adv_Dia_Para2}}</view>
</view>
JS中数据定义如下：
data: {
COptAdv_List:[
{Adv_Item1:"XM1:", Adv_Dia_Para1:0, Adv_Item2:"XBR1:", Adv_Dia_Para2:0},
{Adv_Item1:"XM2:", Adv_Dia_Para1:0, Adv_Item2:"XBR2:", Adv_Dia_Para2:0},
{Adv_Item1:"XM3:", Adv_Dia_Para1:0, Adv_Item2:"XBR3:", Adv_Dia_Para2:0},
{Adv_Item1:"XM4:", Adv_Dia_Para1:0, Adv_Item2:"XBR4:", Adv_Dia_Para2:0},
{Adv_Item1:"XM5:", Adv_Dia_Para1:0, Adv_Item2:"XBR5:", Adv_Dia_Para2:0},
{Adv_Item1:"XM6:", Adv_Dia_Para1:0, Adv_Item2:"XBR6:", Adv_Dia_Para2:0}
],
XM_P:0,
XBR_P:0,
},
Onload里对其进行判断和赋值，程序写得冗长，的确没找到更好的判断方式
onLoad: function (options) {
var i = 0
var length = this.data.COptAdv_List.length
for (let i = 0; i < length; i++) {
console.log(app.Input_Current1)
this.setData({
XM_P:app.Input_Current1[i]/app.Input_Parameter.Temp_Para/app.Input_Parameter.Density_Para,
XBR_P:app.Input_Current1[i+6]/app.Input_Parameter.Temp_Para/app.Input_Parameter.Density_Para,
})
console.log(i)
console.log(this.data.XM_P)
console.log(this.data.XBR_P)
// 动力线选线径
if (this.data.XM_P>=0 && this.data.XM_P<=6) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:0.25,
})
}
if (this.data.XM_P>6 && this.data.XM_P<=7) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:0.35,
})
}
if (this.data.XM_P>7 && this.data.XM_P<=9) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:0.5,
})
}
if (this.data.XM_P>9 && this.data.XM_P<=12) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:0.75,
})
}
if (this.data.XM_P>12 && this.data.XM_P<=15) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:1.0,
})
}
if (this.data.XM_P>15 && this.data.XM_P<=18) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:1.5,
})
}
if (this.data.XM_P>18 && this.data.XM_P<=26) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:2.5,
})
}
if (this.data.XM_P>26 && this.data.XM_P<=34) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:4.0,
})
}
if (this.data.XM_P>34 && this.data.XM_P<=44) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:6.0,
})
}
if (this.data.XM_P>44 && this.data.XM_P<=61) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:10.0,
})
}
if (this.data.XM_P>61 && this.data.XM_P<=82) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:16.0,
})
}
if (this.data.XM_P>82 && this.data.XM_P<=108) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:25.0,
})
}
if (this.data.XM_P>108 && this.data.XM_P<=135) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para1`]:35.0,
})
}
}
// 抱闸线选线径
if (this.data.XBR_P>=0 && this.data.XBR_P<=6) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:0.25,
})
}
if (this.data.XBR_P>6 && this.data.XBR_P<=7) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:0.35,
})
}
if (this.data.XBR_P>7 && this.data.XBR_P<=9) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:0.5,
})
}
if (this.data.XBR_P>9 && this.data.XBR_P<=12) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:0.75,
})
}
if (this.data.XBR_P>12 && this.data.XBR_P<=15) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:1.0,
})
}
if (this.data.XBR_P>15 && this.data.XBR_P<=18) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:1.5,
})
}
if (this.data.XBR_P>18 && this.data.XBR_P<=26) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:2.5,
})
}
if (this.data.XBR_P>26 && this.data.XBR_P<=34) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:4.0,
})
}
if (this.data.XBR_P>34 && this.data.XBR_P<=44) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:6.0,
})
}
if (this.data.XBR_P>44 && this.data.XBR_P<=61) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:10.0,
})
}
if (this.data.XBR_P>61 && this.data.XBR_P<=82) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:16.0,
})
}
if (this.data.XBR_P>82 && this.data.XBR_P<=108) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:25.0,
})
}
if (this.data.XBR_P>108 && this.data.XBR_P<=135) {
this.setData({
[`COptAdv_List[${i}].Adv_Dia_Para2`]:35.0,
})
}
},
监控控制台，从数据提取到数据计算都没有问题
但是if判断的时候就有问题了，数组中第2列比较和赋值都正常；第4列中，1个正常，5个不正常，求大神指点这种情况怎么处理？
我找到问题所在了，谢谢各位，大括号有一个错位了
这一排if。。。你应该搞个中间变量，循环结束后才setData，这么弄很影响性能的，不要每次循环都来一次setData
this.setData()是异步方法，如果要修改数据以后用数据做判断的话，要等数据修改成功以后，将判断语句写在setData的回调函数中：
this.setDate({ XM_P:10, XBR_P:12, },()=>{ console.log(XM_P); console.log(XBR_P); if(XM_P){ //判断后的执行语句 } })