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Javascript 反应本族语拖放位置足球训练_Javascript_Reactjs_React Native_Drag And Drop - Fatal编程技术网

Javascript 反应本族语拖放位置足球训练

Javascript 反应本族语拖放位置足球训练,javascript,reactjs,react-native,drag-and-drop,Javascript,Reactjs,React Native,Drag And Drop,我有这样一件事,队形是这样宣布的: 4-4-2: [ [{}]//1 [{},{},{},{}...],//4 [{},{},{},{}...],//4 [{},{}...]//2 ] 所以我做了两个嵌套循环,一个是从门到中场滚动行(主阵列中的阵列数),另一个是每行滚动每个球员(单个阵列行中的obj数)。 到目前为止,它工作正常,我重复这一点,主队和客队都工作正常 问题是我想应用拖放。 我想做的是,球员的位置最初来自指定的训练,然后能够移动场上的每一个球员,甚至在球场的对方部分 有没有关于我如

我有这样一件事,队形是这样宣布的:

4-4-2:

[
[{}]//1
[{},{},{},{}...],//4
[{},{},{},{}...],//4
[{},{}...]//2
]
所以我做了两个嵌套循环,一个是从门到中场滚动行(主阵列中的阵列数),另一个是每行滚动每个球员(单个阵列行中的obj数)。 到目前为止,它工作正常,我重复这一点,主队和客队都工作正常

问题是我想应用拖放。 我想做的是,球员的位置最初来自指定的训练,然后能够移动场上的每一个球员,甚至在球场的对方部分

有没有关于我如何做到这一点的建议

import React, { Component } from 'react';
import { Text, View, StyleSheet, Image, ImageBackground } from 'react-native';

export default class FootballField extends Component {
  constructor(props) {
    super(props);
    this.state = {
      home: props.home,
      away: props.away,
    };
  }

  render() {
    return (
      <View style={styles.container}>
        <ImageBackground
          source={require('./images/footballfield.png')}
          style={{
            width: null,
            height: null,
            flex: 1,
          }}>
          <View style={{ backgroundColor: 'rgba(52, 52, 52, 0.45)', flex: 1 }}>
            <View
              style={{
                flex: 1,
                backgroundColor: 'rgba(204, 70, 43, 0)',
              }}>
              <View
                style={{
                  flexDirection: 'row',
                }}>
                <Text
                  style={[
                    styles.text,
                    {
                      marginLeft: 20,
                    },
                  ]}>
                  {this.state.home.module}
                </Text>
                <Text
                  style={[
                    styles.text,
                    {
                      position: 'absolute',
                      right: 20,
                    },
                  ]}>
                  {this.state.home.name}
                </Text>
              </View>

              {this.state.home.team.map((data, i) => (
                <View style={styles.rowHome}>
                  {data.map((d, j) => (
                    <View style={styles.el}>
                      <View
                        style={{
                          flexDirection: 'row',
                        }}>
                        {this.state.home.home_team_events.map(
                          (el, z) =>
                            d.name == el.player &&
                            el.type_of_event == 'yellow-card' && (
                              <Image
                                source={require('./imagess/card-yellow.png')}
                                style={{
                                  width: 12,
                                  height: 15,
                                  position: 'absolute',
                                  left: -12,
                                }}
                              />
                            )
                        )}
                        {this.state.home.home_team_events.map(
                          (el, z) =>
                            d.name == el.player &&
                            el.type_of_event == 'red-card' && (
                              <Image
                                source={require('./images/card-red.png')}
                                style={{
                                  width: 12,
                                  height: 15,
                                  position: 'absolute',
                                  left: -12,
                                }}
                              />
                            )
                        )}
                        <View style={styles.playHome}>
                          <Text style={styles.text}>{d.number}</Text>
                        </View>
                        {this.state.home.home_team_events.map(
                          (el, z) =>
                            d.name == el.player &&
                            el.type_of_event == 'substitution-in' && (
                              <Image
                                source={require('./images/refresh.png')}
                                style={{
                                  width: 12,
                                  height: 12,
                                  position: 'absolute',
                                  right: -14,
                                }}
                              />
                            )
                        )}
                      </View>
                      <Text style={styles.text}>{d.name}</Text>
                    </View>
                  ))}
                </View>
              ))}
            </View>

            <View
              style={{
                flex: 1,
                backgroundColor: 'rgba(43, 99, 204, 0)',
                paddingTop: 55,
              }}>
              {this.state.away.team.reverse().map((data, i) => (
                <View style={styles.rowAway}>
                  {data.map((d, j) => (
                    <View style={styles.el}>
                      <Text style={styles.text}>{d.name}</Text>
                      <View
                        style={{
                          flexDirection: 'row',
                        }}>
                        {this.state.away.away_team_events.map(
                          (el, z) =>
                            d.name == el.player &&
                            el.type_of_event == 'yellow-card' && (
                              <Image
                                source={require('./images/card-yellow.png')}
                                style={{
                                  width: 12,
                                  height: 15,
                                  position: 'absolute',
                                  left: -12,
                                }}
                              />
                            )
                        )}
                        {this.state.away.away_team_events.map(
                          (el, z) =>
                            d.name == el.player &&
                            el.type_of_event == 'red-card' && (
                              <Image
                                source={require('./images/card-red.png')}
                                style={{
                                  width: 12,
                                  height: 15,
                                  position: 'absolute',
                                  left: -12,
                                }}
                              />
                            )
                        )}
                        <View style={styles.playAway}>
                          <Text style={styles.text}>{d.number}</Text>
                        </View>
                        {this.state.away.away_team_events.map(
                          (el, z) =>
                            d.name == el.player &&
                            el.type_of_event == 'substitution-in' && (
                              <Image
                                source={require('./images/refresh.png')}
                                style={{
                                  width: 12,
                                  height: 12,
                                  position: 'absolute',
                                  right: -14,
                                }}
                              />
                            )
                        )}
                      </View>
                    </View>
                  ))}
                </View>
              ))}

              <View
                style={{
                  flexDirection: 'row',
                }}>
                <Text
                  style={[
                    styles.text,
                    {
                      marginLeft: 20,
                    },
                  ]}>
                  {this.state.away.module}
                </Text>
                <Text
                  style={[
                    styles.text,
                    {
                      position: 'absolute',
                      right: 20,
                    },
                  ]}>
                  {this.state.away.name}
                </Text>
              </View>
            </View>
          </View>
        </ImageBackground>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
  },
  rowHome: {
    flex: 1,
    flexDirection: 'row',
  },
  rowAway: {
    flex: 1,
    flexDirection: 'row',
  },
  el: {
    flexGrow: 1,
    alignItems: 'center',
  },
  playHome: {
    justifyContent: 'center',
    width: 30,
    height: 30,
    borderRadius: 15,
    borderWidth: 2,
    borderColor: 'rgb(244, 67, 54)',
    backgroundColor: 'rgba(244, 67, 54,0.5)',
  },
  playAway: {
    justifyContent: 'center',
    width: 30,
    height: 30,
    borderRadius: 15,
    borderWidth: 2,
    borderColor: 'rgb(3, 169, 244)',
    backgroundColor: 'rgba(3, 169, 244,0.5)',
  },
  text: {
    textAlign: 'center',
    fontWeight: 'bold',
    color: '#fff',
    textShadowColor: 'rgba(0, 0, 0, 0.75)',
    textShadowOffset: { width: 0, height: 1 },
    textShadowRadius: 1,
    fontSize: 15,
  },
});
import React,{Component}来自'React';
从“react native”导入{文本、视图、样式表、图像、图像背景};
导出默认类足球场扩展组件{
建造师(道具){
超级(道具);
此.state={
家:道具,家,
客场:道具,客场,
};
}
render(){
返回(
{this.state.home.module}
{this.state.home.name}
{this.state.home.team.map((数据,i)=>(
{data.map((d,j)=>(
{this.state.home.home\u team\u events.map(
(el,z)=>
d、 name==el.player&&
el.type_of_事件=='黄牌'&&(
)
)}
{this.state.home.home\u team\u events.map(
(el,z)=>
d、 name==el.player&&
el.type_of_事件=='红牌'&&(
)
)}
{d.number}
{this.state.home.home\u team\u events.map(
(el,z)=>
d、 name==el.player&&
el.type_of_event=='substitution in'&&(
)
)}
{d.name}
))}
))}
{this.state.away.team.reverse().map((数据,i)=>(
{data.map((d,j)=>(
{d.name}
{this.state.away.away_team_events.map(
(el,z)=>
d、 name==el.player&&
el.type_of_事件=='黄牌'&&(
)
)}
{this.state.away.away_team_events.map(
(el,z)=>
d、 name==el.player&&
el.type_of_事件=='红牌'&&(
)
)}
{d.number}
{this.state.away.away_team_events.map(
(el,z)=>
d、 name==el.player&&
el.type_of_event=='substitution in'&&(
)
)}
))}
))}
{this.state.away.module}
{this.state.away.name}
);
}
}
const styles=StyleSheet.create({
容器:{
弹性:1,
},
rowHome:{
弹性:1,
flexDirection:'行',
},
罗维:{
弹性:1,
flexDirection:'行',
},
el:{
flexGrow:1,
对齐项目:“居中”,
},
游乐场:{
为内容辩护:“中心”,
宽度:30,
身高:30,
边界半径:15,
边界宽度:2,
边框颜色:“rgb(244,67,54)”,
背景颜色:“rgba(244,67,54,0.5)”,
},
季后赛:{
为内容辩护:“中心”,
宽度:30,
身高:30,
边界半径:15,
边界宽度:2,
边框颜色:“rgb(3169244)”,
背景颜色:“rgba(3169244,0.5)”,
},
正文:{
textAlign:'中心',
fontWeight:'粗体',
颜色:“#fff”,
textShadowColor:“rgba(0,0,0,0.75)”,
textShadowOffset:{宽度:0,高度:1},
文本阴影半径:1,
尺寸:15,
},
});