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Last updated: 2024-03-07 10:51:29

    scroll-view

    Feature Description: A scrollable view area. When using vertical scrolling, it is necessary to assign a fixed height to the <scroll-view> through the application of WXSS height settings.
    Parameter and Description:
    Attribute name
    Type
    Default value
    Description
    scroll-x
    boolean
    false
    Allows horizontal scrolling
    scroll-y
    boolean
    false
    Allows vertical scrolling
    upper-threshold
    number / string
    50
    Distance from the top/left at which the scrolltoupper is triggered
    lower-threshold
    number/tring
    50
    Distance from the bottom/right at which the scrolltolower is triggered.
    scroll-top
    number / string
    -
    Set the position of the vertical scrollbar
    scroll-left
    number / string
    -
    Set the position of the horizontal scrollbar
    scroll-into-view
    string
    -
    The value should be the id of a certain sub-element (the id cannot start with a number). Set which direction can be scrolled, then scroll to that element in that direction.
    scroll-with-animation
    boolean
    false
    Use animation transition when setting the scrollbar position
    enable-back-to-top
    boolean
    false
    When the top status bar is clicked on iOS, or the title bar is double-clicked on Android, the scrollbar returns to the top. This only applies to the vertical orientation.
    bindscrolltoupper
    eventhandle
    -
    Triggered when scrolling to the top/left side
    bindscrolltolower
    eventhandle
    -
    Triggered when scrolling to the bottom/right side
    bindscroll
    eventhandle
    -
    Triggered during scrolling, event.detail = {scrollLeft, scrollTop, scrollHeight, scrollWidth, deltaX, deltaY}
    aria-label
    string
    false
    -
    enhanced
    boolean
    true
    -
    bounces
    boolean
    true
    -
    show-scrollbar
    boolean
    false
    -
    paging-enabled  
    boolean
    false
    -
    fast-deceleration
    boolean
    false
    -
    Sample Code
    Corresponding WXML file
    <view class="section">
    <view class="section__title">vertical scroll</view>
    <view class="section__title">Vertical Scrolling</view>
    <scroll-view
    scroll-y
    style="height: 200px;"
    bindscrolltoupper="upper"
    bindscrolltolower="lower"
    bindscroll="scroll"
    scroll-into-view="{{toView}}"
    scroll-top="{{scrollTop}}"
    >
    <view id="green" class="scroll-view-item bc_cyanblue">A</view>
    <view id="red" class="scroll-view-item bc_blue">B</view>
    </scroll-view>
    </view>
    <view class="section section_gap">
    <view class="section__title">horizontal scroll</view>
    <view class="section__title">Horizontal Scrolling</view>
    <scroll-view class="scroll-view_H" scroll-x style="width: 100%">
    <view id="green" class="scroll-view-item_H bc_cyanblue"></view>
    <view id="red" class="scroll-view-item_H bc_blue"></view>
    </scroll-view>
    </view>
    Corresponding js file
    const order = ['red', 'yellow', 'blue', 'green', 'red']
    Page({
    data: {
    toView: 'red',
    scrollTop: 100
    },
    upper(e) {
    console.log(e)
    },
    lower(e) {
    console.log(e)
    },
    scroll(e) {
    console.log(e)
    },
    tap(e) {
    for (let i = 0; i < order.length; ++i) {
    if (order[i] === this.data.toView) {
    this.setData({
    toView: order[i + 1]
    })
    break
    }
    }
    },
    tapMove(e) {
    this.setData({
    scrollTop: this.data.scrollTop + 10
    })
    }
    })
    
    Note:
    Refrain from using textarea, map, canvas, video components within the scroll-view.
    The priority of scroll-into-view supersedes that of scroll-top.
    Scrolling within the scroll-view will prevent page bounce-back. Hence, it is impossible to trigger onPullDownRefresh while scrolling in the scroll-view.
    To use the pull-down refresh feature, employ the page's scrolling instead of the scroll-view. This method also allows returning to the top of the page by clicking on the status bar.

    swiper

    Feature Description: Slider view container. The change event returns a detail that includes a source field, indicating the cause of the change. Possible values are as follows:
    autoplay triggers automatic playback, causing changes in the swiper.
    touch User sliding causes changes in the swiper.
    Any other reasons will be represented by an empty string.
    Note:
    It can only accommodate the <swiper-item/> component; otherwise, it may lead to undefined behavior.
    Parameter and Description:
    Attribute name
    Type
    Default value
    Description
    indicator-dots
    boolean
    false
    Whether to display panel indicator points.
    indicator-color
    color
    rgba(0, 0, 0, .3)
    Indicator point color
    indicator-active-color
    color
    #000000
    Color of the currently selected indicator point.
    autoplay
    coolean
    false
    Whether to switch automatically.
    current
    number
    0
    Index of the current slider.
    interval
    number
    5000
    Time interval of automatic switching
    duration
    number
    500
    Duration of the sliding animation
    circular
    boolean
    false
    Whether to adopt seamless sliding
    vertical
    boolean
    false
    Is the sliding direction vertical?
    previous-margin
    string
    "0px"
    Front margin, which can be used to reveal a small part of the previous item, supporting px and rpx values.
    next-margin
    string
    "0px"
    Rear margin, which can be used to reveal a small part of the subsequent item, supporting px and rpx values.
    display-multiple-items
    number
    1
    The number of sliders displayed simultaneously.
    skip-hidden-item-layout
    boolean
    false
    Whether to skip the layout of sliders not displayed. Setting this to true can optimize sliding performance in complex situations, but will lose layout information of sliders in hidden status.
    bindchange
    eventhandle
    -
    The change event will be triggered when 'current' changes, with event.detail = {current: current, source: source}.
    bindtransition
    eventhandle
    -
    The transition event will be triggered when the position of the swiper-item changes, with event.detail = {dx: dx, dy: dy}.
    bindanimationfinish
    eventhandle
    -
    The animationfinish event will be triggered when the animation ends, with event.detail as previously described.

    swiper-item

    Feature Description: Can only be placed within the <swiper> component, with width and height automatically set to 100%.
    Parameter and Description:
    Attribute name
    Type
    Default value
    Description
    item-id
    string
    “”
    The identifier of this swiper-item.
    Sample Code
    Corresponding WXML file
    <swiper
    indicator-dots="{{indicatorDots}}"
    autoplay="{{autoplay}}"
    interval="{{interval}}"
    duration="{{duration}}"
    >
    <block wx.for="{{imgUrls}}">
    <swiper-item>
    <image src="{{item}}" class="slide-image" width="355" height="150" />
    </swiper-item>
    </block>
    </swiper>
    <button bindtap="changeIndicatorDots">indicator-dots</button>
    <button bindtap="changeAutoplay">autoplay</button>
    <slider bindchange="intervalChange" show-value min="500" max="2000" />
    interval
    <slider bindchange="durationChange" show-value min="1000" max="10000" />
    duration
    Corresponding js file
    Page({
    data: {
    imgUrls: [
    'https://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg',
    'https://img06.tooopen.com/images/20160818/tooopen_sy_175866434296.jpg',
    'https://img06.tooopen.com/images/20160818/tooopen_sy_175833047715.jpg'
    ],
    indicatorDots: false,
    autoplay: false,
    interval: 5000,
    duration: 1000
    },
    changeIndicatorDots(e) {
    this.setData({
    indicatorDots: !this.data.indicatorDots
    })
    },
    changeAutoplay(e) {
    this.setData({
    autoplay: !this.data.autoplay
    })
    },
    intervalChange(e) {
    this.setData({
    interval: e.detail.value
    })
    },
    durationChange(e) {
    this.setData({
    duration: e.detail.value
    })
    }
    })

    view

    Feature Description: A view container.
    Parameter and Description:
    Attribute name
    Type
    Default value
    Description
    hover-class
    string
    none
    Specifies the style class when pressed. When hover-class="none", there is no click status effect.
    hover-stop-propagation
    boolean
    false
    Specifies whether to prevent the ancestor nodes of this node from appearing in the click status.
    hover-start-time
    number
    50
    The duration before the click status appears after pressing, measured in milliseconds.
    hover-start-time
    number
    400
    The retention time of the click status after the finger is released, measured in milliseconds.
    aria-role
    string
    -
    Accessibility, (Role) identifies the role of the element.
    aria-label
    string
    -
    Accessibility, (Attribute) Additional description of the element.
    Sample Code
    Corresponding WXML file
    <view class="section">
    <view class="section__title">flex-direction: row</view>
    <view class="flex-wrp" style="flex-direction:row;">
    <view class="flex-item bc_cyanblue">A</view>
    <view class="flex-item bc_blue">B</view>
    <view class="flex-item bc_grey">C</view>
    </view>
    </view>
    <view class="section">
    <view class="section__title">flex-direction: column</view>
    <view class="flex-wrp" style="height: 300px;flex-direction:column;">
    <view class="flex-item bc_cyanblue">A</view>
    <view class="flex-item bc_blue">B</view>
    <view class="flex-item bc_grey">C</view>
    </view>
    </view>
    
    Note:
    If a scrolling view is required, use scroll-view.

    movable-area

    Feature Description: The movable area of the movable-view.
    Parameter and Description:
    Attribute name
    Type
    Default value
    Description
    scale-area
    boolean
    false
    When the movable-view within is set to support two-finger scaling, setting this value can modify the effective area of the scaling gesture to the entire movable-area.
    Note:
    When the movable-view is smaller than the movable-area, the range of movement for the movable-view is within the movable-area.
    When the movable-view is larger than the movable-area, the range of movement for the movable-view must encompass the movable-area, considering the x-axis and y-axis directions separately.
    Sample Code
    Corresponding WXML file
    <view class="section">
    <view class="section__title">When the movable-view area is smaller than the movable-area</view>
    <movable-area style="height: 200px; width: 200px; background: red;">
    <movable-view
    style="height: 50px; width: 50px; background: blue;"
    x="{{x}}"
    y="{{y}}"
    direction="all"
    ></movable-view>
    </movable-area>
    <view class="btn-area">
    <button size="mini" bindtap="tap">click me to move to (30px, 30px)</button>
    </view>
    <view class="section__title">When the movable-view area is larger than the movable-area</view>
    <movable-area style="height: 100px; width: 100px; background: red;">
    <movable-view
    style="height: 200px; width: 200px; background: blue;"
    direction="all"
    ></movable-view>
    </movable-area>
    <view class="section__title">Scalable</view>
    <movable-area
    style="height: 200px; width: 200px; background: red;"
    scale-area
    >
    <movable-view
    style="height: 50px; width: 50px; background: blue;"
    direction="all"
    bindchange="onChange"
    bindscale="onScale"
    scale
    scale-min="0.5"
    scale-max="4"
    scale-value="2"
    ></movable-view>
    </movable-area>
    </view>
    Corresponding js file
    Page({
    data: {
    x: 0,
    y: 0
    },
    tap(e) {
    this.setData({
    x: 30,
    y: 30
    })
    },
    onChange(e) {
    console.log(e.detail)
    },
    onScale(e) {
    console.log(e.detail)
    }
    })

    movable-view

    Feature Description: A movable view container that can be dragged and slid across the page.
    Parameter and Description:
    Attribute name
    Type
    Default value
    Description
    direction
    string
    none
    The direction of movement for the movable-view, with attribute values including all, vertical, horizontal, and none.
    inertia
    boolean
    false
    Whether the movable-view has inertia.
    out-of-bounds
    boolean
    false
    Whether the movable-view can still be moved after exceeding the movable area.
    x
    number / string
    -
    Defines the offset in the x-axis direction. If the value of x is not within the movable range, it will automatically move to the movable range; changing the value of x will trigger an animation.
    y
    number / string
    -
    Defines the offset in the y-axis direction. If the value of y is not within the movable range, it will automatically move to the movable range; changing the value of y will trigger an animation.
    damping
    number
    20
    The damping coefficient, used to control the animation when x or y changes and the animation of the boundary rebound. The larger the value, the faster the movement.
    friction
    number
    2
    The friction coefficient, used to control the animation of inertial sliding. The larger the value, the greater the friction, and the quicker the sliding stops. The friction coefficient must be greater than 0. Otherwise, it will be set to the default value.
    disabled
    boolean
    false
    Whether to disable
    scale
    boolean
    false
    Whether to support two-finger zooming. The default effective area for the zoom gesture is within the movable-view.
    scale-min
    number
    0.5
    Defines the minimum value of the scaling factor.
    scale-max
    number
    10
    Defines the maximum value of the scaling factor.
    scale-value
    number
    1
    Defines the scaling factor, with a value range of 0.5 - 10.
    animation
    boolean
    true
    Defines the scaling factor, with a value range of 0.5 - 10.
    bindchange
    eventhandle
    -
    Event triggered during the dragging process, event.detail = {x: x, y: y, source: source}, where source indicates the cause of the movement. The value can be touch (dragging), touch-out-of-bounds (exceeding the moving range), out-of-bounds (bounce back after exceeding the moving range), friction (inertia), and an empty string (setData).
    bindscale
    eventhandle
    -
    Event triggered during the scaling process, event.detail = {x: x, y: y, scale: scale}.
    In addition to basic events, movable-view offers two special events.
    Type
    Trigger condition
    htouchmove
    The initial movement after the finger touches is horizontal. If this event is caught, it implies that the touchmove event has also been caught.
    vtouchmove
    The initial movement after the finger touches is vertical. If this event is caught, it implies that the touchmove event has also been caught.
    Note:
    The movable-view must have the width and height attributes set. Otherwise, they will default to 10 px.
    By default, movable-view is absolutely positioned, with top and left attributes set to 0 px.
    The movable-view must be within the <movable-area/> component and must be a direct child node. Otherwise, it will not be movable.

    cover-image

    Feature Description: An image view that overlays native components. The native components that can be overlaid are the same as cover-view, and can be nested within cover-view.
    Parameter and Description:
    Attribute name
    Type
    Default value
    Description
    src
    string
    -
    Icon path, supporting temporary paths, network addresses, and cloud file IDs. Base64 format is currently not supported.
    bindload
    eventhandle
    -
    Triggered when the image fails to load.
    binderror
    eventhandle
    -
    Triggered when the image fails to load.
    aria-role
    string
    -
    Accessibility, (Role) Identifies the function of the element.
    aria-lable
    string
    -
    Accessibility, (Role) Identifies the function of the element.
    Note:
    The aria-role of <cover-view> and <cover-image>can only be set to button, which allows for clicking and reading out "button" in screen reading mode; when empty, it can be focused but not clicked.
    The event model follows the bubbling model, but it does not bubble up to native components.
    It is recommended to enclose all text within the cover-view tag to prevent layout errors.
    Only basic positioning, layout, and text styles are supported. Setting individual border, background-image, shadow, overflow: visible, etc., are not supported.
    It is advised that child nodes should not overflow their parent nodes.
    The default style settings are: white-space: nowrap; line-height: 1.2; display: block.
    When custom components are nested within a cover-view, the custom component's slot and its parent node do not currently support visibility control through wx:if, as this may result in the cover-view not being displayed.
    Sample Code
    Corresponding WXML file
    <video
    id="myVideo"
    src="https://qzonestyle.gtimg.cn/qzone/qzact/act/external/qq-video/qq-video.mp4"
    controls="{{false}}"
    event-model="bubble"
    >
    <cover-view class="controls">
    <cover-view class="play" bindtap="play">
    <cover-image class="img" src="/path/to/icon_play" />
    </cover-view>
    <cover-view class="pause" bindtap="pause">
    <cover-image class="img" src="/path/to/icon_pause" />
    </cover-view>
    <cover-view class="time">00:00</cover-view>
    </cover-view>
    </video>
    Corresponding WXSS file
    .controls {
    position: relative;
    top: 50%;
    height: 50px;
    margin-top: -25px;
    display: flex;
    }
    .play,
    .pause,
    .time {
    flex: 1;
    height: 100%;
    }
    .time {
    text-align: center;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    line-height: 50px;
    }
    .img {
    width: 40px;
    height: 40px;
    margin: 5px auto;
    }
    Corresponding js file
    Page({
    onReady() {
    this.videoCtx = wx.createVideoContext('myVideo')
    },
    play() {
    this.videoCtx.play()
    },
    pause() {
    this.videoCtx.pause()
    }
    })

    cover-view

    Function Description: A text view that overlays native components, including map, video, canvas, camera, live-player, live-pusher. It only supports nesting cover-view, cover-image, and button can be used within cover-view.
    Parameter and Description:
    Attribute name
    Type
    Default value
    Description
    scroll-top
    number / string
    -
    Set the top scroll offset, which only takes effect after overflow-y: scroll is set to become a scrolling element.
    aria-role
    string
    -
    Accessibility, (Role) Identifies the function of the element.
    aria-label
    string
    -
    Accessibility, (Attribute) Additional description of the element.
    
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