这篇文章主要为大家展示了微信小程序如何实现上传帖子，内容简而易懂，下面让小编带大家一起学习一下吧。

public.js

var graceJS = require('../../utils/grace.js');import { config } from '../../config.js'Page({ /** * 页面的初始数据 */ data: { imglist: [], title:'', content:'', }, delImg(e) { let index = e.currentTarget.dataset.index; let array = []; console.log(index); for (var i = 0; i < this.data.imglist.length; i++) { if (i !== index) { array.push(this.data.imglist[i]) } } console.log(array); this.setData({ imglist: array, }) }, upimg() { let that = this var url = config.api_base_url + "upload_pic" wx.chooseImage({ count: 1, sizeType: ['original', 'compressed'], sourceType: ['album', 'camera'], success(res) { const tempFilePaths = res.tempFilePaths; wx.showLoading({ title: '上传中', }) wx.uploadFile({ url, filePath: tempFilePaths[0], name: 'file', success(res) { console.log(res.data); wx.hideLoading() if (res.data == '0') { graceJS.msg('上传失败'); }else{ console.log(res.data) if (res.data.indexOf("非法图片")>=0){ graceJS.msg(res.data); } else { graceJS.msg("上传成功"); var array = that.data.imglist.concat(res.data) that.setData({ imglist: array, }) } } } }) } }) }, zf_title:function(e){ this.setData({ title: e.detail.value }) }, zf_content: function (e) { this.setData({ content: e.detail.value }) }, tj_info: function (event){ var that = this; console.log("event", event) var title = this.data.title; var content = this.data.content; console.log(title) console.log(content) var imglist = that.data.imglist; var uid = wx.getStorageSync('user').id if (!title && !content) { graceJS.msg("请填写完整"); } else { //写入数据库 if (uid != undefined) { graceJS.post( config.api_base_url + 'tiezi_add', {title:title, content:content,uid:uid,imglist:imglist}, 'json', {}, // 此处 {} 代表不设置 header 数据 function(res){ if (res.result == 1) { graceJS.msg(res.msg); setTimeout(()=>{ graceJS.navigate('../discover/discover','switchTab'); },2000) }else{ graceJS.msg(res.msg); } } ); }else{ graceJS.msg("用户ID获取失败"); } } }, /** * 生命周期函数--监听页面加载 */ onLoad: function (options) { }, /** * 生命周期函数--监听页面初次渲染完成 */ onReady: function () { }, /** * 生命周期函数--监听页面显示 */ onShow: function () { }, /** * 生命周期函数--监听页面隐藏 */ onHide: function () { }, /** * 生命周期函数--监听页面卸载 */ onUnload: function () { }, /** * 页面相关事件处理函数--监听用户下拉动作 */ onPullDownRefresh: function () { }, /** * 页面上拉触底事件的处理函数 */ onReachBottom: function () { }, /** * 用户点击右上角分享 */ onShareAppMessage: function () { }})

publish.wxml

<!--pages/publish/publish.wxml--><view> <form > <view class="publish_a"><view class="publish_a1"><view class="publish_a1_a"><input type="text" name="title" bindinput="zf_title" placeholder="输入标题" /></view><view class="publish_a1_b"><textarea name="content" bindinput="zf_content" placeholder="输入内容文字"></textarea></view><view class="publish_a1_c"><view class="publish_a1_c1" ><image src="../../img/127.png" bindtap="upimg"></image></view><view class="publish_a1_c2"><view wx:for="{{imglist}}" bindtap="delImg" data-index="{{index}}"><image src="{{item}}" ></image><text>X</text></view></view></view></view></view> <view class="publish_b" bind:tap="tj_info">发布帖子</view></form></view>

publish.wxss

/* pages/publish/publish.wxss */page{padding-bottom: 120rpx;}.publish_a{padding: 20rpx;}.publish_a1{background-color: #f5f2f4;padding: 20rpx;}.publish_a1_a input{width: 100%;height: 80rpx;line-height: 80rpx;font-size: 28rpx;font-weight: bold;}.publish_a1_b textarea{width: 100%;font-size: 28rpx;}.publish_a1_c1{margin-bottom: 20rpx;}.publish_a1_c1 image{display: block;width: 200rpx;height: 200rpx;}.publish_a1_c2{display: flex;flex-wrap: wrap;}.publish_a1_c2 view{position: relative;width: 200rpx;height: 200rpx;margin-right: 20rpx;margin-bottom: 20rpx;}.publish_a1_c2 image{display: block;width: 100%;height: 100%;}.publish_a1_c2 text{display: block;position: absolute;right: 0;top: 0;width: 40rpx;height: 40rpx;text-align: center;line-height: 40rpx;font-size: 26rpx;color: #fff;background-color: rgba(0,0,0,0.3);}.zf_btn{ width: 500px;}.publish_b{position: fixed;left: 0;bottom: 0;/* width: 100%; */background-color: #a67f4a;line-height: 100rpx;text-align: center;color: #fff;font-size: 30rpx;min-width: 380px; width: 100%; padding: 0; margin: 0;}

tp

引入use EasyWeChat\Factory;public function __construct ( Request $request = null ) { $this->config = [ 'app_id' => 'wx4**********fd45a65', 'secret' => '082dec1****5b93d286c093e01', 'response_type' => 'array', 'log' => [ 'level' => 'debug', 'file' => __DIR__.'/log/wechat.log', ], ]; $this->uid = ''; }public function tiezi_add(){ $data = input('post.'); if($data['imglist']!=[]){ foreach ($data['imglist'] as $k => $vo) { $data['imglist'][$k] = trim($vo); } $data['album'] = trim(implode(',', $data['imglist'])); } unset($data['imglist']); $data['cid'] = 17; $data['status'] = 1; $data['sort'] = 0; $data['ctime'] = time(); if(!isset($data['album'])){ return jserror('至少上传一张图片 '); } //验证 $miniProgram = Factory::miniProgram($this->config); $result = $miniProgram->content_security->checkText($data['content']); $result2 = $miniProgram->content_security->checkText($data['title']); if($result['errcode']!='0'){ return jserror('含有非法关键词'); } if($result2['errcode']!='0'){ return jserror('含有非法关键词'); } //保存 $res = Db::name('post')->insert($data); if($res){ return jssuccess('发布成功'); }else{ return jserror('发布失败'); } } public function upload_pic(){ $file = request()->file('file'); $info = $file->validate(['ext'=>config()['web']['file_ext']])->move('./public/upload/admin/file'); $getSaveName = str_replace('\\', '/', $info->getSaveName());//win下反斜杠替换成斜杠 $msg = 'http://'.$_SERVER['SERVER_NAME'].'/public/upload/admin/file/'.$getSaveName; if(is_file('./public/upload/admin/file/'.$getSaveName)){ //验证图片 $miniProgram = Factory::miniProgram($this->config); $result = $miniProgram->content_security->checkImage('./public/upload/admin/file/'.$getSaveName); if($result['errcode']!='0'){ return '非法图片'; }else{ return $msg; } ################ }else{ return '0'; } }

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