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学生学习页面_files/drag_div.js.下载

@@ -1,41 +0,0 @@
-/*
-  dragObj:  拖拽对象
-  parent: 指定区域
-*/
-function dragFn (dragObj,parent) {
-  $(dragObj).mousedown(function (e) {
-    var _this = $(this)
-    var parent_h = $(parent)[0].offsetHeight
-    var parent_w = $(parent)[0].offsetWidth
-    var drag_h = $(this)[0].offsetHeight
-    var drag_w = $(this)[0].offsetWidth
-    var dragX = e.clientX - $(this)[0].offsetLeft
-    var dragY = e.clientY - $(this)[0].offsetTop
-
-    // 当前拖拽对象层级优先
-    $(this).css('z-index','9').siblings().css('z-index','1')
-
-    $(document).mousemove(function (e) {
-      var l = e.clientX - dragX
-      var t = e.clientY - dragY
-      if (l < 0) {
-        l = 0
-      } else if (l > parent_w - drag_w) {
-        l = parent_w - drag_w
-      }
-      if (t < 0) {
-        t = 0
-      } else if (t > parent_h - drag_h) {
-        t = parent_h - drag_h
-      }
-      _this.css({
-        left: l + 'px',
-        top: t + 'px',
-      })
-    })
-  })
-
-  $(document).mouseup(function () {
-    $(this).off('mousemove')
-  })
-}