微信小程序摄影头样式设计

wxml

<view wx:if="{{authorized}}">
    <camera devicePosition="{{devicePosition}}" flash="off" hidden="{{isShoot}}" style="width: 100%; height: 100vh;">
        <cover-view class="tip-container">
            <cover-view class="tips">站在白墙前拍摄效果最佳哦~</cover-view>
            <cover-view>
                <cover-image class="line" src="../../style/imgs/outline.png"></cover-image>
            </cover-view>
            <cover-view class="control-pannel">
                <!--左 图片选择-->
                <cover-view class="control-item">
                    <cover-image bindtap="chooseAlbumPhoto" class="control-item-img" src="../../style/imgs/album.png"></cover-image>
                </cover-view>
                <!--中 蓝色按钮-->
                <cover-view class="control-item">
                    <cover-image bindtap="takePhoto" class="control-item-img" id="control-shoot" src="../../style/imgs/shoot.png"></cover-image>
                </cover-view>
                <!--右 摄像前反-->
                <cover-view class="control-item">
                    <cover-image bindtap="reverseCamera" class="control-item-right" src="../../style/imgs/convert.png"></cover-image>
                </cover-view>
            </cover-view>
        </cover-view>
    </camera>
    <!--绘制canvas-->
    <canvas canvasId="photo" id="photo" style="position: fixed; left: -999px;width:{{canvasWidth}}px;height:{{canvasHeight}}px"></canvas>
</view>
<view wx:else>
    <view id="tip-for-fool">尚未打开相机权限，无法正常使用小程序</view>
    <button id="btn-for-fool" openType="openSetting">设置权限</button>
</view>

js

var app = getApp()
Page({
    data: {
        isShoot: !1, //是否拍摄
        isProcessed: !1,
        devicePosition: "back",
        authorized: !0, //是否已经授权
        originImage:'',
    },
    //中 蓝色按钮
    takePhoto: function () {
        var that = this;
        wx.createCameraContext().takePhoto({
            success: function (res) {
                var a = res.tempImagePath;//图片临时路径
                that.setData({
                    src: a,
                    isShoot: !0
                }), that.checkFileSize(a, function (isCheck) {
                    isCheck ? (that.data.originImage = a, that.processPhoto()) : wx.getImageInfo({
                        src: a,
                        success: function (o) {
                            var s = o.width,
                                i = o.height,
                                n = wx.createCanvasContext("photo", t);
                            that.setData({
                                canvasWidth: s,
                                canvasHeight: i
                            }), n.drawImage(a), n.draw(), setTimeout(function () {
                                wx.canvasToTempFilePath({
                                    canvasId: "photo",
                                    success: function (o) {
                                        var a = o.tempFilePath;
                                        wx.getFileInfo({
                                            filePath: a,
                                            success: function (e) {
                                                console.log("file size", e.size);
                                            },
                                            fail: function (e) {
                                                console.log(e);
                                            }
                                        }), that.setData({
                                            src: a
                                        }), that.data.originImage = a, that.processPhoto();
                                    },
                                    fail: function (e) {
                                        console.log(e);
                                    }
                                }, t);
                            }, 200);
                        },
                        fail: function (e) {
                            console.log(e);
                        }
                    });
                });
            }
        });
    },

    //检查图片大小 1M
    checkFileSize: function (e, t) {
        wx.getFileInfo({
            filePath: e,
            success: function (e) {
                t(e.size < 1048576);
            }
        });
    },

    //左 图片选择
    chooseAlbumPhoto: function () {
        wx.vibrateShort({
            type: 'light',
        })
        var that = this;
        wx.chooseImage({
            count: 1,
            sourceType: ["album"],
            sizeType: ["compressed"],
            success: function (o) {
                var a = o.tempFilePaths[0];
                that.data.originImage = o.tempFilePaths[0], that.setData({
                    src: a,
                    isShoot: !0
                }), that.processPhoto();
            }
        });
    },
    //右 摄像头前反
    reverseCamera: function () {
        wx.vibrateShort({
            type: 'light',
        })
        this.setData({
            devicePosition: "back" === this.data.devicePosition ? "front" : "back"
        });
    },

    //图片 跳转预览(获取图片，统一处理)
    processPhoto: function () {

    },
    onLoad: function (e) {},
    onShow: function () {
        var that = this;
        this.setData({
            isProcessed: !1,
            isShoot: !1
        })
        //判断是否授权摄像权限
        wx.getSetting({
            success: function (e) {
                console.log(e.authSetting);
                that.setData({
                    authorized:e.authSetting["scope.camera"]
                })
            }
        });
    },
});

wxss

.line {
    max-height: 70.77vh;
    max-width: 100%;
}

.tips {
    align-self: center;
    background: #fca435;
    border-radius: 26rpx;
    color: #fff;
    display: inline-block;
    font-size: 30rpx;
    height: 52rpx;
    line-height: 52rpx;
    margin-top: 20rpx;
    text-align: center;
    width: 442rpx;
}

.tip-container {
    flex-direction: column;
    height: 100vh;
    justify-content: space-around;
}

.control-pannel,.tip-container {
    display: flex;
}

.control-pannel {
    height: 200rpx;
}

.control-item {
    align-self: center;
    display: flex;
    justify-content: center;
    width: 33.33%;
}

.control-item-img {
    height: 48rpx;
    width: 60rpx;
}

.control-item-right {
    height: 54rpx;
    width: 54rpx;
}

#control-shoot {
    height: 160rpx;
    width: 160rpx;
}

#btn-for-fool {
    background-color: #fff;
    border: 1px solid #4455e4;
    border-radius: 5px;
    color: #4455e4;
    font-size: 30rpx;
    height: 50rpx;
    line-height: 50rpx;
    margin-top: 30rpx;
    width: 200rpx;
}

#tip-for-fool {
    font-size: 32rpx;
    margin-top: 25vh;
    text-align: center;
}

其它样式

,album

convert

outline

shoot