修复秒杀UI review by chenlin

@@ -118,7 +118,6 @@ export default class ProductListView extends Component {
                             </View>
                         </View>
                     </View>
-                    <View style={styles.separator}/>
                 </View>
 
             </TouchableOpacity>

@@ -115,10 +115,10 @@ export default class Seckill extends Component {
     renderSectionFooter({section: {type}}) {
         if (type == SECTION_TYPE_SECKILL) {
             return <View style={styles.descriptionContainer}>
+                <Text style={[styles.descriptionText, {fontWeight: 'bold'}]}>{'秒杀活动说明\n'}</Text>
                 <Text
                     numberOfLines={0}
                     style={styles.descriptionText}>
-                    <Text style={[styles.descriptionText, {fontWeight: 'bold'}]}>{'秒杀活动说明\n'}</Text>
                     {"1. 秒杀商品限活动开始后，在详情页抢购，提前加入购物车无效;\n2. 秒杀数量有限，抢完即止;\n3. 秒杀商品限购1件, 不能使用优惠券或优惠码;\n4. 活动最终解释权归YOHO!BUY有货所有。"}
                 </Text>
             </View>
@@ -172,6 +172,11 @@ export default class Seckill extends Component {
         />
     }
 
+    _renderSeparator(sectionID, rowID, adjacentRowHighlighted) {
+        return (
+            <View key={'separator' + sectionID + rowID} style={styles.separator}/>
+        );
+    }
 
     render() {
 
@@ -203,6 +208,7 @@ export default class Seckill extends Component {
                     ListHeaderComponent={this.renderListHeaderComponent}
                     renderSectionFooter={this.renderSectionFooter}
                     renderSectionHeader={this.renderSectionHeader}
+                    ItemSeparatorComponent={this._renderSeparator}
                     stickySectionHeadersEnabled={false}
                     onRefreshData={() => this.props.onRefresh && this.props.onRefresh()}
                     sections={sections}
@@ -265,6 +271,7 @@ let styles = StyleSheet.create({
     descriptionText: {
         color: '#b0b0b0',
         fontSize: 12,
+        lineHeight:17,
     },
     sectionHeaderContainer: {
         width: width,
@@ -281,5 +288,13 @@ let styles = StyleSheet.create({
         color: '#444444',
         fontFamily: 'PingFang-SC-Medium'
     },
+    separator: {
+        position: 'absolute',
+        left: 15,
+        right: 0,
+        bottom: 0,
+        height: 0.5,
+        backgroundColor: '#e5e5e5',
+    },
     sectionLine: {width: 2, height: 15, backgroundColor: '#444444', marginLeft: 2}
 });