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HTML Settings

Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

            
              
    <div class="src">
        <div class="dragabled">
            <div class="txt" id="txt">
                所有的文字都可拖拽。
                <p draggable="true">此段文字设置了属性draggable="true"</p>   
            </div>
            <div class="url" id="url">
                <a href="http://weiqinl.com" target="_blank">我是url:http://weiqinl.com</a>
            </div>
            <img class="img" id="tupian1" src="https://www.baidu.com/img/baidu_jgylogo3.gif" alt="图片1" />
            <img class="img" id="tupian2" src="https://www.cnblogs.com/images/logo_small.gif" alt="图片2" />
        </div>
        <div id='target' class="dropabled target">Drop Here</div>
    </div>
            
          
!
            
              
.src {
    display: flex;
}

.dropabled {
    flex: 1;
}

.txt {
    color: green;
}

.img {
    width: 100px;
    height: 100px;
    border: 1px solid gray;
}

.target {
    width: 200px;
    height: 200px;
    line-height: 200px;
    text-align: center;
    border: 1px solid gray;
    color: red;
}
            
          
!
            
              
        var dragSrc = document.getElementById('txt')
        var target = document.getElementById('target')

        dragSrc.ondragstart = handle_start
        dragSrc.ondrag = handle_drag
        dragSrc.ondragend = handle_end

        function handle_start(e) {
            // none   move copy link
            e.dataTransfer.effectAllowed = "linkMove";
            console.log('dragstart-在元素开始被拖动时候触发')
        }

        function handle_drag() {
            console.log('drag-在元素被拖动时候反复触发')
        }

        function handle_end() {
            console.log('dragend-在拖动操作完成时触发')
        }


        target.ondragenter = handle_enter
        target.ondragover = handle_over
        target.ondragleave = handle_leave

        target.ondrop = handle_drop

        function handle_enter(e) {
            console.log('handle_enter-当元素进入目的地时触发')
            // 阻止浏览器默认行为
            e.preventDefault()
        }

        function handle_over(e) {
            // 设置dropEffect属性值为move  link  copy none
            e.dataTransfer.dropEffect = "link"
            // console.log('handle_over-当元素在目的地时触发')
            // 阻止浏览器默认行为
            e.preventDefault()
        }

        function handle_leave(e) {
            console.log('handle_leave-当元素离开目的地时触发')
            // 阻止浏览器默认行为
            // e.preventDefault()
        }

        function handle_drop(e) {
          e.stopPropagation();// 不再派发事件。解决Firefox浏览器,打开新窗口的问题。
            console.log('handle_drop-当元素在目的地放下时触发')
            var t = Date.now()
            target.innerHTML = ''
            target.append(t + '-拖放触发的事件。')
            e.preventDefault()
            console.log(e.dataTransfer.types)
            // 打印每种格式类型
            if (e.dataTransfer.types != null) {
                for (var i = 0; i < e.dataTransfer.types.length; i++) {
                    console.log("... types[" + i + "] = " + e.dataTransfer.types[i]);
                }
            }
            // 打印每个item的“kind”和“type”属性值
            if (e.dataTransfer.items != null) {
                for (var i = 0; i < e.dataTransfer.items.length; i++) {
                    console.log("... items[" + i + "].kind = " + e.dataTransfer.items[i].kind + " ; type = " + e.dataTransfer
                        .items[i].type);
                }
            }
        }
            
          
!
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