scroll.to_see()方法center参数默认None；解决滚动后点击被固定元素遮挡问题

DrissionPage/chromium_base.py

@@ -1080,10 +1080,10 @@ class ChromiumPageScroll(ChromiumScroll):
         self.t1 = 'window'
         self.t2 = 'document.documentElement'
 
-    def to_see(self, loc_or_ele, center=False):
+    def to_see(self, loc_or_ele, center=None):
         """滚动页面直到元素可见
         :param loc_or_ele: 元素的定位信息，可以是loc元组，或查询字符串
-        :param center: 是否尽量滚动到页面正中
+        :param center: 是否尽量滚动到页面正中，为None时如果被遮挡，则滚动到页面正中
         :return: None
         """
         ele = self._driver._ele(loc_or_ele)
@@ -1092,17 +1092,22 @@ class ChromiumPageScroll(ChromiumScroll):
     def _to_see(self, ele, center):
         """执行滚动页面直到元素可见
         :param ele: 元素对象
-        :param center: 是否尽量滚动到页面正中
+        :param center: 是否尽量滚动到页面正中，为None时如果被遮挡，则滚动到页面正中
         :return: None
         """
-        if center:
-            ele.run_js('this.scrollIntoViewIfNeeded();')
-            self._wait_scrolled()
-            return
-
-        ele.run_js('this.scrollIntoViewIfNeeded(false);')
-        if ele.states.is_covered:
-            ele.run_js('this.scrollIntoViewIfNeeded();')
+        txt = 'true' if center else 'false'
+        ele.run_js(f'this.scrollIntoViewIfNeeded({txt});')
+        if center or (center is not False and ele.states.is_covered):
+            ele.run_js('''function getWindowScrollTop() {var scroll_top = 0;
+                    if (document.documentElement && document.documentElement.scrollTop) {
+                      scroll_top = document.documentElement.scrollTop;
+                    } else if (document.body) {scroll_top = document.body.scrollTop;}
+                    return scroll_top;}
+            const { top, height } = this.getBoundingClientRect();
+                    const elCenter = top + height / 2;
+                    const center = window.innerHeight / 2;
+                    window.scrollTo({top: getWindowScrollTop() - (center - elCenter),
+                    behavior: 'instant'});''')
         self._wait_scrolled()
 
 

DrissionPage/chromium_base.pyi

@@ -247,9 +247,9 @@ class ChromiumBaseWaiter(object):
 class ChromiumPageScroll(ChromiumScroll):
     def __init__(self, page: ChromiumBase): ...
 
-    def to_see(self, loc_or_ele: Union[str, tuple, ChromiumElement], center: bool = False) -> None: ...
+    def to_see(self, loc_or_ele: Union[str, tuple, ChromiumElement], center: Union[bool, None] = None) -> None: ...
 
-    def _to_see(self, ele: ChromiumElement, center: bool) -> None: ...
+    def _to_see(self, ele: ChromiumElement, center: Union[bool, None]) -> None: ...
 
 
 class ChromiumBaseSetter(object):

DrissionPage/chromium_element.py

@@ -1771,9 +1771,9 @@ class ChromiumScroll(object):
 
 
 class ChromiumElementScroll(ChromiumScroll):
-    def to_see(self, center=False):
+    def to_see(self, center=None):
         """滚动页面直到元素可见
-        :param center: 是否尽量滚动到页面正中
+        :param center: 是否尽量滚动到页面正中，为None时如果被遮挡，则滚动到页面正中
         :return: None
         """
         self._driver.page.scroll.to_see(self._driver, center=center)

DrissionPage/chromium_element.pyi

@@ -496,7 +496,7 @@ class ChromiumScroll(object):
 
 class ChromiumElementScroll(ChromiumScroll):
 
-    def to_see(self, center: bool = False) -> None: ...
+    def to_see(self, center: Union[bool, None] = None) -> None: ...
 
 
 class ChromiumSelect(object):

DrissionPage/chromium_frame.py

@@ -640,10 +640,10 @@ class ChromiumFrameScroll(ChromiumPageScroll):
         self.t1 = self.t2 = 'this.documentElement'
         self._wait_complete = False
 
-    def to_see(self, loc_or_ele, center=False):
+    def to_see(self, loc_or_ele, center=None):
         """滚动页面直到元素可见
         :param loc_or_ele: 元素的定位信息，可以是loc元组，或查询字符串
-        :param center: 是否尽量滚动到页面正中
+        :param center: 是否尽量滚动到页面正中，为None时如果被遮挡，则滚动到页面正中
         :return: None
         """
         ele = loc_or_ele if isinstance(loc_or_ele, ChromiumElement) else self._driver._ele(loc_or_ele)

DrissionPage/chromium_frame.pyi

@@ -203,7 +203,7 @@ class ChromiumFrameIds(object):
 class ChromiumFrameScroll(ChromiumPageScroll):
     def __init__(self, frame: ChromiumFrame) -> None: ...
 
-    def to_see(self, loc_or_ele: Union[str, tuple, ChromiumElement], center: bool = False) -> None: ...
+    def to_see(self, loc_or_ele: Union[str, tuple, ChromiumElement], center: Union[None, bool] = None) -> None: ...
 
 
 class ChromiumFrameSetter(ChromiumBaseSetter):