前端

<template>
    <view class="container">
        <text class="article-title">{{ article.title }}</text>
        <view class="article-info">
            <image :src="article.avatar" class="avatar small"></image>
            <text>{{ article.nickname }}</text>
            <text class="info-text">{{ handleTime(article.createTime) }}</text>
            <!-- 登录用户和文章作者不是同一个人，就显示关注或取消关注按钮 -->
            <button v-if="userId != article.uId && !followed" class="green-btn follow-btn" @tap="follow">关注</button>
            <button v-if="userId != article.uId && followed" class="green-btn follow-btn cancel" @tap="cancelFollow">取消</button>
        </view>

        <view class="grace-text" style="margin-top: 10px;"><rich-text :nodes="article.content" bindtap="tap"></rich-text></view>
        <text class="info-text">评论{{ comments.length }}</text>
        <view class="comment-item" v-for="(comment, index) in comments" :key="index">
            <view class="left"><image :src="comment.avatar" class="avatar small"></image></view>
            <view class="right">
                <text>{{ comment.nickname }}</text>
                <text>{{ comment.content }}</text>
                <view>
                    <text style="margin-right: 10px;">{{ comments.length - index }}楼</text>
                    <text>{{ handleTime(comment.commentTime) }}</text>
                </view>
            </view>
        </view>
        <input class="uni-input comment-box" type="text" placeholder="写下你的评论" v-model="content" required="required" />
        <button class="green-btn" @tap="send">提交</button>
    </view>
</template>

<script>
export default {
    data() {
        return {
            article: {
                aId: 0,
                uId: 0,
                title: '',
                content: '',
                avatar: '',
                nickname: '',
                createTime: ''
            },
            comments: [],
            content: '',
            userId: uni.getStorageSync('login_key').userId,
            followed: false
        };
    },
    onLoad: function(option) {
        //option为object类型，会序列化上个页面传递的参数
        this.article.aId = option.aId;
    },
    onShow: function() {
        this.getArticle();
    },
    onPullDownRefresh: function() {
        this.getArticle();
    },
    methods: {
        getArticle: function() {
            var _this = this;
            uni.request({
                url: this.apiServer + '/article/' + this.article.aId,
                method: 'GET',
                header: { 'content-type': 'application/x-www-form-urlencoded' },
                data: {
                    userId: this.userId
                },
                success: res => {
                    // console.log(res.data.data.article);
                    _this.article.aId = res.data.data.article.id;
                    _this.article.uId = res.data.data.article.uid;
                    _this.article.title = res.data.data.article.title;
                    _this.article.content = res.data.data.article.content;
                    _this.article.nickname = res.data.data.article.nickname;
                    _this.article.avatar = res.data.data.article.avatar;
                    _this.article.createTime = res.data.data.article.createTime;
                    _this.comments = res.data.data.comments;
                    if (res.data.data.followed === '已关注') {
                        _this.followed = true;
                    }
                },
                complete: function() {
                    uni.stopPullDownRefresh();
                }
            });
        },
        handleTime: function(date) {
            var d = new Date(date);
            var year = d.getFullYear();
            var month = d.getMonth() + 1;
            var day = d.getDate() < 10 ? '0' + d.getDate() : '' + d.getDate();
            var hour = d.getHours() < 10 ? '0' + d.getHours() : '' + d.getHours();
            var minutes = d.getMinutes() < 10 ? '0' + d.getMinutes() : '' + d.getMinutes();
            var seconds = d.getSeconds() < 10 ? '0' + d.getSeconds() : '' + d.getSeconds();
            return year + '-' + month + '-' + day + ' ' + hour + ':' + minutes + ':' + seconds;
        },
        send: function() {
            console.log('评论人编号：' + this.userId + ',文章编号：' + this.article.aId + '，评论内容：' + this.content);
            uni.request({
                url: this.apiServer + '/comment/add',
                method: 'POST',
                header: { 'content-type': 'application/x-www-form-urlencoded' },
                data: {
                    aId: this.article.aId,
                    uId: this.userId,
                    content: this.content
                },
                success: res => {
                    if (res.data.code === 0) {
                        uni.showToast({
                            title: '评论成功'
                        });
                        this.getArticle();
                        this.content = '';
                    }
                }
            });
        },
        follow:function(){
            uni.request({
                url: this.apiServer + '/follow/add',
                method: 'POST',
                header: { 'content-type': 'application/x-www-form-urlencoded' },
                data: {
                    fromUId: this.userId,
                    toUId: this.article.uId
                },
                success: res => {
                    if (res.data.code === 0) {
                        uni.showToast({
                            title: '关注成功'
                        });
                        this.followed = true;
                    }
                }
            });
        },
        cancelFollow:function(){
            uni.request({
                url: this.apiServer + '/follow/cancel',
                method: 'POST',
                header: { 'content-type': 'application/x-www-form-urlencoded' },
                data: {
                    fromUId: this.userId,
                    toUId: this.article.uId
                },
                success: res => {
                    if (res.data.code === 0) {
                        uni.showToast({
                            title: '已取消关注'
                        });
                        this.followed = false;
                    }
                }
            });
        }
    }
};
</script>

<style>
.content {
    margin-bottom: 10px;
    margin-top: 10px;
    padding: 5px;
    border-bottom: 1px solid #eee;
}
.img-list {
    display: flex;
    flex-direction: column;
}
.img-item {
    width: 100%;
    height: 150px;
    margin-bottom: 5px;
}
.img-item image {
    width: 100%;
    height: 100%;
    border-radius: 5px;
}
.comment-item {
    display: flex;
    align-items: center;
    border-bottom: 1px solid #eee;
    margin-bottom: 10px;
    padding: 5px;
}
.comment-item .left {
    flex: 1 1 15%;
}
.comment-item .right {
    flex: 1 1 85%;
    display: flex;
    flex-direction: column;
}
.comment-box {
    border: 1px solid #fff;
    border-radius: 5px;
    background-color: #eee;
}
.follow-btn {
    height: 33px;
    width: 80px;
    font-size: 12pt;
    text-align: center;
    padding-bottom: 20px;
    margin-right: 0px;
}
.cancel{
    background-color: #aaa;
}
</style>