fix: input style error #3073

components/form/style/index.less

@@ -464,7 +464,8 @@ form {
   }
 }
 
-.has-error {
+.has-error,
+&-has-error {
   .form-control-validation(@error-color; @error-color; @form-error-input-bg;);
 
   &.has-feedback .@{form-prefix-cls}-item-children-icon {
@@ -473,15 +474,12 @@ form {
   }
 
   //select
-  .@{ant-prefix}-select {
+  .@{ant-prefix}-select:not(.@{ant-prefix}-select-borderless) {
-    &-selection {
+    .@{ant-prefix}-select-selector {
-      border-color: @error-color;
+      border-color: @error-color !important;
-      &:hover {
-        border-color: @error-color;
-      }
     }
-    &-open .@{ant-prefix}-select-selection,
+    &.@{ant-prefix}-select-open .@{ant-prefix}-select-selector,
-    &-focused .@{ant-prefix}-select-selection {
+    &.@{ant-prefix}-select-focused .@{ant-prefix}-select-selector {
       .active(@error-color);
     }
   }
@@ -499,15 +497,6 @@ form {
     }
   }
 
-  // arrow and icon
-  .@{ant-prefix}-calendar-picker-icon::after,
-  .@{ant-prefix}-time-picker-icon::after,
-  .@{ant-prefix}-picker-icon::after,
-  .@{ant-prefix}-select-arrow,
-  .@{ant-prefix}-cascader-picker-arrow {
-    color: @error-color;
-  }
-
   //input-number, timepicker
   .@{ant-prefix}-input-number,
   .@{ant-prefix}-time-picker-input {

components/form/style/mixin.less

@@ -6,7 +6,8 @@
     color: @text-color;
   }
   // 输入框的不同校验状态
-  .@{ant-prefix}-input {
+  .@{ant-prefix}-input,
+  .@{ant-prefix}-input-affix-wrapper {
     &,
     &:hover {
       background-color: @background-color;

components/input/style/affix.less

@@ -0,0 +1,48 @@
+@import './index';
+@import './mixin';
+
+@input-affix-margin: 4px;
+
+.@{ant-prefix}-input {
+  &-affix-wrapper {
+    .input();
+    display: inline-flex;
+
+    &-disabled {
+      .@{ant-prefix}-input[disabled] {
+        background: transparent;
+      }
+    }
+
+    > input.@{ant-prefix}-input {
+      padding: 0;
+      border: none;
+      outline: none;
+
+      &:focus {
+        box-shadow: none;
+      }
+    }
+
+    &::before {
+      width: 0;
+      visibility: hidden;
+      content: '\a0';
+    }
+  }
+
+  &-prefix,
+  &-suffix {
+    display: flex;
+    flex: none;
+    align-items: center;
+  }
+
+  &-prefix {
+    margin-right: @input-affix-margin;
+  }
+
+  &-suffix {
+    margin-left: @input-affix-margin;
+  }
+}

components/input/style/index.less

@@ -1,5 +1,6 @@
 @import '../../style/themes/index';
 @import '../../style/mixins/index';
+@import './affix';
 @import './mixin';
 
 // Input styles