From 85aa2c6b3b0657c38c23432cb78561ee1d0ae1e1 Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@buaa.edu.cn>
Date: Tue, 16 Apr 2019 17:02:11 +0800
Subject: [PATCH] [new feature] SubmitBar: add decimal-length prop (#1529)

---
 packages/submit-bar/README.md | 3 ++-
 packages/submit-bar/index.ts  | 6 +++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/submit-bar/README.md b/packages/submit-bar/README.md
index 4d60ae9a..b83fc489 100644
--- a/packages/submit-bar/README.md
+++ b/packages/submit-bar/README.md
@@ -83,7 +83,8 @@ es5
 | disabled | 是否禁用按钮 |  `Boolean` | `false` |
 | loading | 是否显示加载中的按钮 |  `Boolean` | `false` |
 | currency | 货币符号 |  `String` | `¥` |
-| safe-area-inset-bottom | 是否为iPhoneX留出底部安全距离 | `Boolean` | `true` |
+| safe-area-inset-bottom | 是否为 iPhoneX 留出底部安全距离 | `Boolean` | `true` |
+| decimal-length | 价格小数点后位数 | `Number` | `2` |
 
 ### Event
 
diff --git a/packages/submit-bar/index.ts b/packages/submit-bar/index.ts
index f501762f..3ff66ddc 100644
--- a/packages/submit-bar/index.ts
+++ b/packages/submit-bar/index.ts
@@ -25,6 +25,10 @@ VantComponent({
     buttonType: {
       type: String,
       value: 'danger'
+    },
+    decimalLength: {
+      type: Number,
+      value: 2
     }
   },
 
@@ -34,7 +38,7 @@ VantComponent({
     },
 
     priceStr() {
-      return (this.data.price / 100).toFixed(2);
+      return (this.data.price / 100).toFixed(this.data.decimalLength);
     },
 
     tipStr() {