solve question that btn of kanjia not show,because modify to course detial question

src/components/detail/btnstatus/index.js

@@ -18,7 +18,7 @@ class BtnStatus extends Component {
             group_status: 3,
             in_cart: false,
             countdown: 0,
-            barInfo: ''
+            // barInfo: ''
         }
 
     }
@@ -40,9 +40,9 @@ class BtnStatus extends Component {
     // }
 
     componentWillReceiveProps(nextProps) {
-        if(nextProps.data && nextProps.data.is_bargain) {
-            this.getBargainInfo()
-        }
+        // if(nextProps.data && nextProps.data.is_bargain) {
+        //     this.getBargainInfo()
+        // }
         this.setState({
             ...nextProps.data.course_info,
             countdown: nextProps.countdown,
@@ -110,12 +110,12 @@ class BtnStatus extends Component {
     };
     // 直接购买
     tobuy = () => {
-        const {user} = this.props
+        const {user, barInfo} = this.props
         const uid = user && user.data && user.data.uid
         if (!uid) {
             this.props.history.push('/passport/login')
         } else {
-            if (this.state.barInfo.bargain_status === 2) {
+            if (barInfo.bargain_status === 2) {
                 // this.toCart(2)
                 // 新需求 不需要加入购物车 直接走普通课程的立即报名流程 跳到订单页
                 this.simpleCourse();
@@ -228,7 +228,8 @@ class BtnStatus extends Component {
         const {countdown} = this.state;
         const {user} = this.props
         const uid = user && user.data && user.data.uid
-
+        const { barInfo = {} } = this.props;
+        console.log(this.props);
         return (
 
             <div>
@@ -312,15 +313,15 @@ class BtnStatus extends Component {
                             <span onClick={this.tobuy}>直接购买</span>
                         </button>
                         {
-                            (this.state.barInfo.bargain_status === 2 || !uid) &&
+                            (barInfo.bargain_status === 2 || !uid) &&
                             <button className='btn btn-s bg-E02E24' onClick={this.toKanjia}>
                                 我要砍价
                             </button>
                         }
                         {
-                            (this.state.barInfo.bargain_status === 0 || this.state.barInfo.bargain_status === 1) && (uid) &&
+                            (barInfo.bargain_status === 0 || barInfo.bargain_status === 1) && (uid) &&
                             <button className='btn btn-s bg-E02E24'>
-                                <span>¥{this.state.barInfo.amount}</span>
+                                <span>¥{barInfo.amount}</span>
                                 <span onClick={this.bargainToOrder}>去支付</span>
                             </button>
                         }

src/components/detail/index.js

@@ -37,6 +37,10 @@ class Detail extends Component {
         if(getParam('isIn')) {
             this.props.getCourses();
         }
+        const { courseInfo } = this.props;
+        if(courseInfo.is_bargain) {
+            this.getBargainInfo();
+        }
     }
 
     // 点击子组件试听按钮
@@ -274,7 +278,6 @@ class Detail extends Component {
                            data={this.props.courseInfo}
                            user={this.props.user}
                            barInfo={this.state.barInfo}
-                           getBargainInfo={this.getBargainInfo}
                            invitedFriends={this.invitedFriends}
                            addCourseToCart={this.props.addCourseToCart}
                            history={this.props.history}></BtnStatus>