// 初始化state this.state = { files: [], } // 添加数据到array this.setState({ files: [ ...this.state.files, fileInfo ] }); // 动态移除子项从array removePic(index) { this.setState({ files: this.state.files.filter((_, i) => i !== index) }) } // 循环显示数据 {state.files.map((file, index) => ( <li key={index}> <span className="del" onClick={this.removePic.bind(this, index)}> <a href="javascript:;"><img src="" /></a> </span> <span className="p_img"> <a href="javascript:;"> <img src={file.src} /> </a> </span> </li> ))}
React 动态更新子项item从array数据
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转载自qiaolevip.iteye.com/blog/2290363
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