From 285faf5ac7421622e7f8d3e8e9ac4659a136cf85 Mon Sep 17 00:00:00 2001
From: yangpan <yangpan@yangpandeMacBook-Pro.local>
Date: Thu, 26 Mar 2020 20:22:26 +0800
Subject: [PATCH 1/3] fix: #404

---
 components/input/InputTextarea.tsx | 11 +++++++----
 components/input/style/index.scss  |  4 ++++
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/components/input/InputTextarea.tsx b/components/input/InputTextarea.tsx
index c9ba076f5..8d7bd116e 100644
--- a/components/input/InputTextarea.tsx
+++ b/components/input/InputTextarea.tsx
@@ -45,12 +45,15 @@ export default class InputTextarea extends PureComponent<InputTextareaProps, any
   }
 
   componentDidUpdate() {
-    const { autoHeight } = this.props;
+    const { autoHeight, rows, readOnly } = this.props;
     const { focused } = this.state;
 
-    if (autoHeight) {
+    if (autoHeight && !readOnly) {
       this.input.style.height = `${this.input.scrollHeight}px`;
     }
+    if (autoHeight && readOnly && rows) {
+      this.input.style.height = `${this.input.scrollHeight * rows}px`;
+    }
     if (focused) {
       this.input.focus();
     }
@@ -175,8 +178,8 @@ export default class InputTextarea extends PureComponent<InputTextareaProps, any
     );
 
     const renderText = (
-      <div className={`${prefixCls}__content`}>
-        {rest.value || rest.defaultValue}
+      <div className={`${prefixCls}__content ${prefixCls}--textarea--placeholder`} ref={(ele) => { this.input = ele; }}>
+        {rest.value || rest.defaultValue || rest.placeholder}
       </div>
     );
 
diff --git a/components/input/style/index.scss b/components/input/style/index.scss
index 88ad12683..de8c02782 100644
--- a/components/input/style/index.scss
+++ b/components/input/style/index.scss
@@ -39,6 +39,10 @@
     overflow: visible;
   }
 
+  @include m(textarea--placeholder) {
+    color: var(--color-text-placeholder);
+  }
+
   @include e(content) {
     position: relative;
     height: var(--input-line-height);

From 510deb68ed1d4955f86cec254474f08c061ae59a Mon Sep 17 00:00:00 2001
From: yangpan <yangpan@yangpandeMacBook-Pro.local>
Date: Thu, 26 Mar 2020 20:27:30 +0800
Subject: [PATCH 2/3] fix: #406

---
 components/input/InputTextarea.tsx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/input/InputTextarea.tsx b/components/input/InputTextarea.tsx
index 8d7bd116e..619b4fa46 100644
--- a/components/input/InputTextarea.tsx
+++ b/components/input/InputTextarea.tsx
@@ -36,9 +36,10 @@ export default class InputTextarea extends PureComponent<InputTextareaProps, any
   }
 
   static getDerivedStateFromProps(nextProps) {
-    if ('focused' in nextProps) {
+    if ('focused' in nextProps || 'value' in nextProps) {
       return {
         focused: nextProps.focused,
+        length: (nextProps.value || nextProps.defaultValue || '').length,
       };
     }
     return null;

From dc2c89669b62b6bc989b0c6133f12f65f0a37200 Mon Sep 17 00:00:00 2001
From: yangpan <yangpan@yangpandeMacBook-Pro.local>
Date: Fri, 27 Mar 2020 12:20:57 +0800
Subject: [PATCH 3/3] =?UTF-8?q?fix:=20=E5=8E=BB=E6=8E=89textarea=E7=9A=84r?=
 =?UTF-8?q?eadonly=E7=9A=84placeholder?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 components/input/InputTextarea.tsx | 4 ++--
 components/input/style/index.scss  | 4 ----
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/components/input/InputTextarea.tsx b/components/input/InputTextarea.tsx
index 619b4fa46..7d6f4d039 100644
--- a/components/input/InputTextarea.tsx
+++ b/components/input/InputTextarea.tsx
@@ -179,8 +179,8 @@ export default class InputTextarea extends PureComponent<InputTextareaProps, any
     );
 
     const renderText = (
-      <div className={`${prefixCls}__content ${prefixCls}--textarea--placeholder`} ref={(ele) => { this.input = ele; }}>
-        {rest.value || rest.defaultValue || rest.placeholder}
+      <div className={`${prefixCls}__content ${prefixCls}--readonly`} ref={(ele) => { this.input = ele; }}>
+        {rest.value || rest.defaultValue}
       </div>
     );
 
diff --git a/components/input/style/index.scss b/components/input/style/index.scss
index de8c02782..88ad12683 100644
--- a/components/input/style/index.scss
+++ b/components/input/style/index.scss
@@ -39,10 +39,6 @@
     overflow: visible;
   }
 
-  @include m(textarea--placeholder) {
-    color: var(--color-text-placeholder);
-  }
-
   @include e(content) {
     position: relative;
     height: var(--input-line-height);