react-field-mapping

基于react的表字段映射组件

View the Demo and its source for more.

    import FieldMapping from 'react-field-mapping';
    
    const sourceData = [{
      name: "field1",
      type: "string"
    }, {
      name: "field2",
      type: "string"
    }, {
      name: "field3",
      type: "string"
    }, {
      name: "field4",
      type: "string"
    }, {
      name: "field5",
      type: "string"
    }, {
      name: "field6",
      type: "string"
    }];
    const targetData = [{
      name: "field4",
      type: "string"
    }, {
      name: "field5",
      type: "string"
    }, {
      name: "field6",
      type: "string"
    }, {
      name: "field7",
      type: "string"
    }, {
      name: "field8",
      type: "string"
    }, {
      name: "field9",
      type: "string"
    }, {
      name: "field10",
      type: "string"
    }, {
      name: "field11",
      type: "string"
    }, {
      name: "field12",
      type: "string"
    }, {
      name: "field13",
      type: "string"
    }, {
      name: "field14",
      type: "string"
    }, {
      name: "field15",
      type: "string"
    }, {
      name: "field16",
      type: "string"
    }];
    
    class App extends React.Component {
      constructor(props) {
        super(props);
        this.state = {
          relation: [{
            source: {
              name: "field1",
              type: "xxxxxx"
            },
            target: {
              name: "field5",
              type: "xxxxxx"
            }
          }],
          sourceData,
          targetData
        };
      }
      getRelation() {
        const relation = this.mapping.state.relation;
        console.log(relation);
        const res = {};
        relation.map(item => {
          res[item.source.name] = item.target.name;
        });
        alert(JSON.stringify(res));
      }
      sameLine() {
        const {sourceData, targetData} = this.state;
        const len = sourceData.length > targetData.length ? targetData.length : sourceData.length;
        const relation = [];
        for(let i=0; i<len; i++ ) {
          relation.push({
            source: sourceData[i],
            target: targetData[i]
          });
        }
        this.setState({
          relation
        });
      }
      sameName() {
        const {sourceData, targetData} = this.state;
        const relation = [];
        sourceData.map(item => {
          targetData.map(n => {
            if(item.name === n.name) {
              relation.push({
                source: item,
                target: n
              });
            }
          });
        });
        this.setState({
          relation
        });
      }
      cancelRelation() {
        this.setState({
          relation: []
        });
      }
      render() {
        const option = {
          ref: "mapping",
          sourceData: sourceData,
          targetTitle: {
            name: "自定义表头1",
            type: "自定义表头2"
          },
          targetData: targetData,
          relation: this.state.relation,
          // onDrawStart: (source, relation) => {
          //   console.log("onDrawStart: ", source, relation);
          // },
          // onDrawing: (source, relation) => {
          //   console.log("onDrawing: ", source, relation);
          // },
          // onDrawEnd: (source, relation) => {
          //   console.log("onDrawEnd: ", source, relation);
          // },
          onChange: () => {
            this.setState({
              sourceData: this.refs.mapping.state.sourceData
            });
          }
        };
        return <div>
          <div>
            <div style={{
              width: 800
            }}>
              <FieldMapping {...option} />
              <br/>
              <button onClick={this.getRelation.bind(this)}>获取映射关系</button>
              <button onClick={this.sameLine.bind(this)}>同行关联</button>
              <button onClick={this.sameName.bind(this)}>同名关联</button>
              <button onClick={this.cancelRelation.bind(this)}>取消关联</button>
            </div>
          </div>
        </div>;
      }
    };
    
    ReactDOM.render(
      <App />,
      document.getElementById('Test')
    );

API