Import and export txt file txt

Export:

this.download ( 'filename', 'Export content');

download=(filename, text)=> {
    var element = document.createElement('a');
    element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
    element.setAttribute('download', filename);
    element.style.display = 'none';
    document.body.appendChild(element);
    element.click();
    document.body.removeChild(element);
};

导入：

<input id='file' type="file" onChange={(e)=>{this.handleUpload(e)}} />

= HandleUpload (E) => { 
    const Reader the FileReader new new = (); 
    // read the contents of the file using TXT readAsText 
    reader.readAsText (e.target.files [0]); 
    reader.onload = function (E) { 
        // console.log (e.target.result); // read result is stored in a string 
        // let my_str = e.target.result; // save all data directly to a string 
        // let my_arr = my_str.split (/ [\ s \ n] /); // spaces and line breaks by cutting string, and stored in the array 
        var {Data = 
            the params: [{ 
                value: e.target.result e.target.result: '? ' 
            }] 
        }; 
　　　　// after introducing transmission interface 
        $ http.post (' URLS ', the this, { 
            code: "010", 
            Data: Data, 
            Success: function (RES) {
                if (res.errorCode === '0') {
                  console.log('成功')
                }
            }
        });
    }.bind(this);


};

Import and export txt file txt

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