fix: 元素抓取生成精确选择器,无属性元素用锚点祖先限定;抖音点赞找不到按钮不再双击屏幕
- 元素选择器生成:无 resource-id/text 的元素改用最近有唯一属性祖先限定范围, 并带同 class 兄弟序号消歧(如 //*[@resource-id=".."]/RelativeLayout[3]), 不再给裸 class(如 //android.widget.ImageView 会误匹配其他元素) - 仍无法限定的宽泛选择器标记 broad,前端元素列表显示"⚠宽泛"提示 - 抖音 like 动作:by_element 找不到点赞按钮改为跳过,不再双击屏幕中央(避免误触)
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+49
-38
@@ -112,12 +112,16 @@ def get_elements(serial):
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return False, f"抓取失败: {e}"
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def _flatten(node, out, depth=0, path=""):
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def _flatten(node, out, depth=0, path="", ctx=None, tag_index=0):
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"""递归扁平化元素树,提取关键属性供前端选择。
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uiautodev dump_hierarchy 返回 Node 格式:
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{key, name, bounds(归一化浮点), rect({x,y,width,height}), properties({所有属性}), children}
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其中 properties 包含原始 XML 属性(resource-id/text/content-desc/class/bounds 字符串等)。
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ctx: 最近一个有唯一属性(resource-id/text/content-desc)祖先的 xpath。
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无唯一属性的元素用它限定范围生成精确选择器,避免裸 class(如 //ImageView)过宽误点。
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tag_index: 本节点在父节点同 class 兄弟中的序号(1-based),用于消歧。
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"""
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if not isinstance(node, dict):
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return
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@@ -128,51 +132,58 @@ def _flatten(node, out, depth=0, path=""):
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if not bounds_str and node.get("rect"):
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r = node["rect"]
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bounds_str = f"[{r['x']},{r['y']}][{r['x']+r['width']},{r['y']+r['height']}]"
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# 关键属性(前端选择器用)
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rid = props.get("resource-id", "")
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text = props.get("text", "")
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desc = props.get("content-desc", "")
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cls = props.get("class", "")
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tag = cls.split(".")[-1] if cls else "*"
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# 推荐选择器:唯一属性优先;否则用最近锚点祖先限定范围(带同class序号消歧)
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if rid:
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suggested = {"type": "xpath", "value": f'//*[@resource-id="{rid}"]'}
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child_ctx = suggested["value"]
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elif text:
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suggested = {"type": "xpath", "value": f'//*[@text="{text}"]'}
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child_ctx = suggested["value"]
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elif desc:
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suggested = {"type": "xpath", "value": f'//*[@content-desc="{desc}"]'}
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child_ctx = suggested["value"]
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else:
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if ctx:
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seg = f"/{tag}" + (f"[{tag_index}]" if tag_index > 1 else "")
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suggested = {"type": "xpath", "value": f"{ctx}{seg}"}
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child_ctx = f"{ctx}{seg}"
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else:
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# 无唯一属性且无锚点祖先:裸 class 过宽,标记 broad 让前端提示
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suggested = {"type": "xpath", "value": f"//{tag}", "broad": True}
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child_ctx = None
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item = {
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"depth": depth,
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"path": path,
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"name": name,
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"resource_id": props.get("resource-id", ""),
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"text": props.get("text", ""),
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"description": props.get("content-desc", ""),
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"class": props.get("class", ""),
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"resource_id": rid,
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"text": text,
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"description": desc,
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"class": cls,
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"package": props.get("package", ""),
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"clickable": props.get("clickable", ""),
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"bounds": bounds_str,
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# 推荐选择器(优先级:resource-id > text > description > class)
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"suggested": _suggest_selector(props),
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# 推荐选择器(resource-id > text > description > 锚点祖先限定class)
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"suggested": suggested,
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}
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out.append(item)
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# 递归子节点
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# 递归子节点,同时计算每个子节点在父下同 class 兄弟中的序号
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children = node.get("children") or []
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for i, child in enumerate(children):
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_flatten(child, out, depth + 1, f"{path}/{i}")
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def _suggest_selector(attrs):
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"""根据属性推荐最佳选择器(前端一键填入用)。
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优先返回 xpath(最稳定,uiautomator2 原生支持),
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其次 resourceId / text / description / class。
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"""
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cls = attrs.get("class", "")
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rid = attrs.get("resource-id", "")
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text = attrs.get("text", "")
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desc = attrs.get("content-desc", "")
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# 优先生成 xpath:resource-id 最稳定
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if rid:
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# 简短类名(去掉包前缀)
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short_cls = cls.split(".")[-1] if cls else "*"
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return {"type": "xpath",
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"value": f'//*[@resource-id="{rid}"]'}
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if text:
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return {"type": "xpath",
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"value": f'//*[@text="{text}"]'}
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if desc:
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return {"type": "xpath",
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"value": f'//*[@content-desc="{desc}"]'}
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if cls:
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return {"type": "xpath",
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"value": f'//{cls}'}
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return {"type": "xpath", "value": "//*"}
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cprops = child.get("properties") or {}
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ccls = cprops.get("class", "")
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ctag = ccls.split(".")[-1] if ccls else "*"
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same = 1
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for prev in children[:i]:
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pcls = (prev.get("properties") or {}).get("class", "")
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ptag = pcls.split(".")[-1] if pcls else "*"
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if ptag == ctag:
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same += 1
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_flatten(child, out, depth + 1, f"{path}/{i}", child_ctx, same)
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@@ -2,9 +2,9 @@
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两种方式:
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by_element — 用 xpath 找右侧红心按钮点击(相对定位,不依赖视频卡片序号)
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double_click — 双击屏幕中央(兜底,不依赖元素,抖音"双击点赞"手势)
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double_click — 双击屏幕中央(需明确选择此方式,抖音"双击点赞"手势)
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定位器随抖音版本变,by_element 找不到会自动回退双击,不会卡住。
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by_element 找不到点赞按钮时**跳过本次,不点屏幕**(避免直播/无按钮页误触)。
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要适配新版本抖音:用 weditor 重新抓当前界面,调整下面定位逻辑。
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"""
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from core.actions import BaseAction, register_action, should_trigger
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@@ -33,7 +33,10 @@ class LikeAction(BaseAction):
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if self._like_by_element(d):
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worker.set_action("点赞(红心)")
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return True
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# 找不到红心,回退双击
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# 找不到点赞按钮:跳过本次,不点屏幕,避免误触(如直播/无点赞按钮的页面)
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worker.set_action("点赞(未找到,跳过)")
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return False
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# 仅在明确选择 double_click 方式时才双击屏幕
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ok = self._double_click_center(d)
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if ok:
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worker.set_action("点赞(双击)")
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@@ -1888,6 +1888,7 @@ var _stepEditor={
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'<div class="ep-info"><div class="ep-name">'+indent+esc(el.name||el.class||'')+'</div>'+
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'<div class="ep-attrs">'+attrs.join('')+'</div></div>'+
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'<span class="ep-sel">'+esc(el.suggested.type)+'</span>'+
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(el.suggested&&el.suggested.broad?' <span class="label label-warning" title="无唯一属性,选择器可能误匹配其他元素,建议选带文字/id 的元素">⚠宽泛</span>':'')+
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'</div>';
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}).join('');
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document.getElementById('el-list').innerHTML=html||'<div class="se-empty">无元素</div>';
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