From 6494c8a7ffa17f9c0693e682aebe8ad9ff4a4b7c Mon Sep 17 00:00:00 2001
From: handongxun <handongxun@dcloud.io>
Date: Wed, 23 Feb 2022 19:22:57 +0800
Subject: [PATCH] =?UTF-8?q?fix(nvue3):=20slider=20=E6=94=AF=E6=8C=81=20for?=
 =?UTF-8?q?m=EF=BC=8C=E8=AE=BE=E7=BD=AE=20min/max=20=E5=87=BA=E7=8E=B0?=
 =?UTF-8?q?=E8=AE=A1=E7=AE=97=E9=94=99=E8=AF=AF=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../uni-components/src/nvue/slider/index.tsx  | 31 ++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/packages/uni-components/src/nvue/slider/index.tsx b/packages/uni-components/src/nvue/slider/index.tsx
index 9a4f41101..ba111bb7e 100644
--- a/packages/uni-components/src/nvue/slider/index.tsx
+++ b/packages/uni-components/src/nvue/slider/index.tsx
@@ -5,6 +5,8 @@ import {
   computed,
   watch,
   onMounted,
+  onUnmounted,
+  inject,
   reactive,
   ExtractPropTypes,
 } from 'vue'
@@ -15,6 +17,7 @@ import {
 } from '../../helpers/useNVueEvent'
 import { getComponentSize } from '../helpers'
 import { NVueComponentStyles, createNVueTextVNode } from '../utils'
+import { uniFormKey, UniFormCtx } from '../../components/form'
 import { sliderProps } from '../../components/slider'
 
 const slierStyles: NVueComponentStyles = [
@@ -121,6 +124,7 @@ export default defineComponent({
 
     const state = useSliderState(props)
     const listeners = useSliderListeners(props, state, trigger)
+    useSliderInject(props, state)
 
     watch(
       () => props.value,
@@ -187,7 +191,7 @@ function useSliderState(props: SliderProps) {
   const _getValueWidth = () => {
     const max = Number(props.max)
     const min = Number(props.min)
-    return ((sliderValue.value - min) / max - min) * sliderWidth.value
+    return ((sliderValue.value - min) / (max - min)) * sliderWidth.value
   }
 
   const state = reactive({
@@ -274,3 +278,28 @@ function useSliderListeners(
 
   return listeners
 }
+
+function useSliderInject(props: SliderProps, state: SliderState) {
+  const uniForm = inject<UniFormCtx>(uniFormKey, false as unknown as UniFormCtx)
+
+  const formField = {
+    submit: () => {
+      const data: [string, any] = ['', null]
+      if (props.name) {
+        data[0] = props.name
+        data[1] = state.sliderValue
+      }
+      return data
+    },
+    reset: () => {
+      state.sliderValue = Number(props.value)
+    },
+  }
+
+  if (!!uniForm) {
+    uniForm.addField(formField)
+    onUnmounted(() => {
+      uniForm.removeField(formField)
+    })
+  }
+}
-- 
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