{"id":468,"date":"2023-02-25T13:40:33","date_gmt":"2023-02-25T05:40:33","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=468"},"modified":"2023-04-29T20:56:08","modified_gmt":"2023-04-29T12:56:08","slug":"html5-touch-events-touchstart-touchmove-and-touchend","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/25\/html5-touch-events-touchstart-touchmove-and-touchend\/","title":{"rendered":"HTML5\u89e6\u6478\u4e8b\u4ef6(touchstart\u3001touchmove\u548ctouchend)"},"content":{"rendered":"<ul>\n<li>touchstart\u4e8b\u4ef6\uff1a\u5f53\u624b\u6307\u89e6\u6478\u5c4f\u5e55\u65f6\u5019\u89e6\u53d1\uff0c\u5373\u4f7f\u5df2\u7ecf\u6709\u4e00\u4e2a\u624b\u6307\u653e\u5728\u5c4f\u5e55\u4e0a\u4e5f\u4f1a\u89e6\u53d1<\/li>\n<li>touchmove\u4e8b\u4ef6\uff1a\u5f53\u624b\u6307\u5728\u5c4f\u5e55\u4e0a\u6ed1\u52a8\u7684\u65f6\u5019\u8fde\u7eed\u5730\u89e6\u53d1\u3002\u5728\u8fd9\u4e2a\u4e8b\u4ef6\u53d1\u751f\u671f\u95f4\uff0c\u8c03\u7528preventDefault()\u4e8b\u4ef6\u53ef\u4ee5\u963b\u6b62\u6eda\u52a8<\/li>\n<li>touchend\u4e8b\u4ef6\uff1a\u5f53\u624b\u6307\u4ece\u5c4f\u5e55\u4e0a\u79bb\u5f00\u7684\u65f6\u5019\u89e6\u53d1<\/li>\n<li>touchcancel\u4e8b\u4ef6\uff1a\u5f53\u7cfb\u7edf\u505c\u6b62\u8ddf\u8e2a\u89e6\u6478\u7684\u65f6\u5019\u89e6\u53d1<\/li>\n<\/ul>\n<p><!-- more --><\/p>\n<p>\u867d\u7136\u8fd9\u4e9b\u89e6\u6478\u4e8b\u4ef6\u6ca1\u6709\u5728DOM\u89c4\u8303\u4e2d\u5b9a\u4e49\uff0c\u4f46\u662f\u5b83\u4eec\u5374\u662f\u4ee5\u517c\u5bb9DOM\u7684\u65b9\u5f0f\u5b9e\u73b0\u7684\u3002\u6240\u4ee5\uff0c\u6bcf\u4e2a\u89e6\u6478\u4e8b\u4ef6\u7684event\u5bf9\u8c61\u90fd\u63d0\u4f9b\u4e86\u5728\u9f20\u6807\u5b9e\u8df5\u4e2d\u5e38\u89c1\u7684\u5c5e\u6027\uff1abubbles(\u8d77\u6ce1\u4e8b\u4ef6\u7684\u7c7b\u578b)\u3001cancelable(\u662f\u5426\u7528 preventDefault() \u65b9\u6cd5\u53ef\u4ee5\u53d6\u6d88\u4e0e\u4e8b\u4ef6\u5173\u8054\u7684\u9ed8\u8ba4\u52a8\u4f5c)\u3001clientX(\u8fd4\u56de\u5f53\u4e8b\u4ef6\u88ab\u89e6\u53d1\u65f6\uff0c\u9f20\u6807\u6307\u9488\u7684\u6c34\u5e73\u5750\u6807)\u3001clientY(\u8fd4\u56de\u5f53\u4e8b\u4ef6\u89e6\u53d1\u65f6\uff0c\u9f20\u6807\u6307\u9488\u7684\u5782\u76f4\u5750\u6807)\u3001screenX(\u5f53\u67d0\u4e2a\u4e8b\u4ef6\u88ab\u89e6\u53d1\u65f6\uff0c\u9f20\u6807\u6307\u9488\u7684\u6c34\u5e73\u5750\u6807)\u548cscreenY(\u8fd4\u56de\u5f53\u67d0\u4e2a\u4e8b\u4ef6\u88ab\u89e6\u53d1\u65f6\uff0c\u9f20\u6807\u6307\u9488\u7684\u5782\u76f4\u5750\u6807)\u3002<\/p>\n<p>\u9664\u4e86\u5e38\u89c1\u7684DOM\u5c5e\u6027\uff0c\u89e6\u6478\u4e8b\u4ef6\u8fd8\u5305\u542b\u4e0b\u9762\u4e09\u4e2a\u7528\u4e8e\u8ddf\u8e2a\u89e6\u6478\u7684\u5c5e\u6027\uff1a<\/p>\n<ul>\n<li>touches\uff1a\u8868\u793a\u5f53\u524d\u8ddf\u8e2a\u7684\u89e6\u6478\u64cd\u4f5c\u7684touch\u5bf9\u8c61\u7684\u6570\u7ec4<\/li>\n<li>targetTouches\uff1a\u7279\u5b9a\u4e8e\u4e8b\u4ef6\u76ee\u6807\u7684Touch\u5bf9\u8c61\u7684\u6570\u7ec4<\/li>\n<li>changeTouches\uff1a\u8868\u793a\u81ea\u4e0a\u6b21\u89e6\u6478\u4ee5\u6765\u53d1\u751f\u4e86\u4ec0\u4e48\u6539\u53d8\u7684Touch\u5bf9\u8c61\u7684\u6570\u7ec4<\/li>\n<\/ul>\n<p>\u6bcf\u4e2aTouch\u5bf9\u8c61\u5305\u542b\u7684\u5c5e\u6027\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>clientX\uff1a\u89e6\u6478\u76ee\u6807\u5728\u89c6\u53e3\u4e2d\u7684x\u5750\u6807<\/li>\n<li>clientY\uff1a\u89e6\u6478\u76ee\u6807\u5728\u89c6\u53e3\u4e2d\u7684y\u5750\u6807<\/li>\n<li>identifier\uff1a\u6807\u8bc6\u89e6\u6478\u7684\u552f\u4e00ID<\/li>\n<li>pageX\uff1a\u89e6\u6478\u76ee\u6807\u5728\u9875\u9762\u4e2d\u7684x\u5750\u6807<\/li>\n<li>pageY\uff1a\u89e6\u6478\u76ee\u6807\u5728\u9875\u9762\u4e2d\u7684y\u5750\u6807<\/li>\n<li>screenX\uff1a\u89e6\u6478\u76ee\u6807\u5728\u5c4f\u5e55\u4e2d\u7684x\u5750\u6807<\/li>\n<li>screenY\uff1a\u89e6\u6478\u76ee\u6807\u5728\u5c4f\u5e55\u4e2d\u7684y\u5750\u6807<\/li>\n<li>target\uff1a\u89e6\u76ee\u7684DOM\u8282\u70b9\u76ee\u6807<\/li>\n<\/ul>\n<p>\u5b9e\u4f8b\uff1a<\/p>\n<pre><code class=\"language-javascript\">function load () {\n    document.addEventListener(&#039;touchstart&#039;, touch, false);\n    document.addEventListener(&#039;touchmove&#039;, touch, false);\n    document.addEventListener(&#039;touchend&#039;, touch, false);\n\n    function touch (event) {\n        var event = event || window.event;\n        var oInp = document.getElementById(&quot;inp&quot;);\n\n        switch(event.type) {\n            case &quot;touchstart&quot;:\n                oInp.innerHTML = &quot;Touch started (&quot; + event.touches[0].clientX + &quot;,&quot; + event.touches[0].clientY + &quot;)&quot;;\n                break;\n            case &quot;touchend&quot;:\n                oInp.innerHTML = &quot;&lt;br&gt;Touch end (&quot; + event.changedTouches[0].clientX + &quot;,&quot; + event.changedTouches[0].clientY + &quot;)&quot;;\n                break;\n            case &quot;touchmove&quot;:\n                event.preventDefault();\n                oInp.innerHTML = &quot;&lt;br&gt;Touch moved (&quot; + event.touches[0].clientX + &quot;,&quot; + event.touches[0].clientY + &quot;)&quot;;\n                break;\n        }\n    }\n}\nwindow.addEventListener(&#039;load&#039;, load, false);<\/code><\/pre>\n<p>\u5bf9\u4e0a\u9762\u7684\u4ee3\u7801\u7a0d\u5fae\u505a\u70b9\u6539\u52a8\uff0c\u53ef\u4ee5\u5224\u65ad\u6c34\u5e73\u65b9\u5411\u6ed1\u52a8\u7684\u65b9\u5411\uff0c\u7136\u540e\u6267\u884c\u76f8\u5e94\u7684\u52a8\u4f5c\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-javascript\">function load() {\n    document.addEventListener(&#039;touchstart&#039;, touch, false);\n    document.addEventListener(&#039;touchmove&#039;, touch, false);\n    document.addEventListener(&#039;touchend&#039;, touch, false);\n\n    function touch (event) {\n        var event = event || window.event;\n\n        var oInp = document.getElementById(&quot;inp&quot;);\n        var distance, clientX_start, clientX_end,\n            minRange = 10;\n            this.clientX_start;\n            this.direction;\n\n        this.callbackFun = function() {\n            if (this.direction == &#039;ltr&#039;) {\n                console.log(&#039;\u4ece\u5de6\u5f80\u53f3&#039;);\n            } else {\n                console.log(&#039;\u4ece\u53f3\u5f80\u5de6&#039;);\n            }\n        }\n        switch(event.type) {\n            case &quot;touchstart&quot;:\n                clientX_start = event.touches[0].clientX;\n                this.clientX_start = clientX_start;\n                break;\n            case &quot;touchend&quot;:\n                this.callbackFun();\n                break;\n            case &quot;touchmove&quot;:\n                event.preventDefault();\n                clientX_end = event.changedTouches[0].clientX;\n                \/\/\u5224\u65ad\u79fb\u52a8\u7684\u65b9\u5411\n                distance = clientX_end - this.clientX_start;\n                if (this.clientX_start + minRange &lt; clientX_end) {\n                    this.direction = &#039;ltr&#039;;\n                } else if (this.clientX_start - minRange &gt; clientX_end) {\n                    this.direction = &#039;rtl&#039;;\n                }\n                break;\n        }\n    }\n}\n\nwindow.addEventListener(&#039;load&#039;, load, false);<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>touchstart\u4e8b\u4ef6\uff1a\u5f53\u624b\u6307\u89e6\u6478\u5c4f\u5e55\u65f6\u5019\u89e6\u53d1\uff0c\u5373\u4f7f\u5df2\u7ecf\u6709\u4e00\u4e2a\u624b\u6307\u653e\u5728\u5c4f\u5e55\u4e0a\u4e5f\u4f1a\u89e6\u53d1 touchmove\u4e8b\u4ef6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[159],"class_list":["post-468","post","type-post","status-publish","format-standard","hentry","category-frontend-basic","tag-h5"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=468"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/468\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}