大病 小数点问题

@@ -1497,6 +1497,22 @@ Page({
       this.dealIdInfo(idCardNo, e.currentTarget.id)
     }
   },
+  medicalInput: function (e) {
+    console.log('-------', e.detail.value)
+    var num = parseFloat(e.detail.value)
+    switch (e.currentTarget.id) {
+      case 'medical_total_input':
+        this.setData({
+          total_amount: num.toFixed(2)
+        })
+        break;
+      case 'medical_amount_input':
+        this.setData({
+          amount_by_person: num.toFixed(2)
+        })
+        break;
+    }
+  },
   loan_input: function (e) {
     console.log('-------', e.detail.value)
     switch (e.currentTarget.id) {

@@ -186,13 +186,13 @@
   <view style='height:90rpx'>
     <text class='red_star_right_10'>*</text>
     <text class='text_777_30 float_left'>医疗支出总金额</text>
-    <input class='input_wrap float_right' placeholder-class='text_999_30 float_right' style='line-height: 90rpx;text-align: right;width:200rpx;color:#000;' placeholder='请输入总金额'  name='total_amount' value='{{total_amount}}'></input>
+    <input class='input_wrap float_right' placeholder-class='text_999_30 float_right' style='line-height: 90rpx;text-align: right;width:200rpx;color:#000;' placeholder='请输入总金额'  name='total_amount' value='{{total_amount}}' bindblur='medicalInput' id="medical_total_input"></input>
   </view>
   <view class='divide_line_30'></view>
   <view style='height:90rpx'>
     <text class='red_star_right_10'>*</text>
     <text class='text_777_30 float_left'>个人负担金额</text>
-    <input class='input_wrap float_right' placeholder-class='text_999_30 float_right' style='line-height: 90rpx;text-align: right;color:#000;' placeholder='请输入金额' name='amount_by_person' value='{{total_amount}}'></input>
+    <input class='input_wrap float_right' placeholder-class='text_999_30 float_right' style='line-height: 90rpx;text-align: right;color:#000;' placeholder='请输入金额' name='amount_by_person' value='{{amount_by_person}}' bindblur='medicalInput' id="medical_amount_input"></input>
   </view>
 </view>
 <!-- 住房 -->