update

src/components/input-number/input-number.vue

@@ -16,7 +16,7 @@
             <input
                 :id="elementId"
                 :class="inputClasses"
-                :disabled="itemDisabled"
+                :disabled="disabled"
                 autocomplete="off"
                 spellcheck="false"
                 :autofocus="autofocus"
@@ -36,7 +36,6 @@
 <script>
     import { oneOf, findComponentUpward } from '../../utils/assist';
     import Emitter from '../../mixins/emitter';
-    import mixinsForm from '../../mixins/form';
 
     const prefixCls = 'ivu-input-number';
     const iconPrefixCls = 'ivu-icon';
@@ -67,7 +66,7 @@
 
     export default {
         name: 'InputNumber',
-        mixins: [ Emitter, mixinsForm ],
+        mixins: [ Emitter ],
         props: {
             max: {
                 type: Number,
@@ -87,7 +86,7 @@
             },
             value: {
                 type: Number,
-                default: 1
+                default: null,
             },
             size: {
                 validator (value) {
@@ -147,7 +146,7 @@
                     `${prefixCls}`,
                     {
                         [`${prefixCls}-${this.size}`]: !!this.size,
-                        [`${prefixCls}-disabled`]: this.itemDisabled,
+                        [`${prefixCls}-disabled`]: this.disabled,
                         [`${prefixCls}-focused`]: this.focused
                     }
                 ];
@@ -187,8 +186,13 @@
             },
             precisionValue () {
                 // can not display 1.0
-                if(!this.currentValue) return this.currentValue;
-                return this.precision ? this.currentValue.toFixed(this.precision) : this.currentValue;
+                // if(!this.currentValue) return this.currentValue;
+                // return this.precision ? this.currentValue.toFixed(this.precision) : this.currentValue;
+                let arr = (this.currentValue + '').split('.');
+                if (this.precision && arr[1] && this.precision < arr[1].length) {
+                    return this.currentValue.toFixed(this.precision);
+                }
+                return this.currentValue;
             },
             formatterValue () {
                 if (this.formatter && this.precisionValue !== null) {
@@ -217,7 +221,7 @@
                 this.changeStep('down', e);
             },
             changeStep (type, e) {
-                if (this.itemDisabled || this.readonly) {
+                if (this.disabled || this.readonly) {
                     return false;
                 }
 
@@ -293,7 +297,6 @@
                 }
             },
             change (event) {
-                if (event.type == 'change' && this.activeChange) return;
 
                 if (event.type == 'input' && !this.activeChange) return;
                 let val = event.target.value.trim();