modelapp/model/goods_image.jsmodule.exports = app => { const mongoose = app.mongoose; const Schema = mongoose.Schema; var d=new Date(); const GoodsImageSchema = new Schema({ goods_id: {type:Schema.Types.ObjectId }, img_url: { type: String }, color_id:{ type:Schema.Types.Mixed, //混合类型 default: ’’ }, status: { type: Number,default:1 }, add_time: { type:Number, default: d.getTime() } }); return mongoose.model(‘GoodsImage’, GoodsImageSchema,‘goods_image’);}app/model/goods_color.jsmodule.exports = app => { const mongoose = app.mongoose; const Schema = mongoose.Schema; const GoodsColorSchema = new Schema({ color_name:{ type:String }, color_value: { type: String }, status: { type: Number,default:1 }, }); return mongoose.model(‘GoodsColor’, GoodsColorSchema,‘goods_color’); }router.js router.post(’/admin/goods/changeGoodsImageColor’, controller.admin.goods.changeGoodsImageColor); router.post(’/admin/goods/goodsImageRemove’, controller.admin.goods.goodsImageRemove);controllerapp/controller/admin/goods.js async changeGoodsImageColor() { var color_id=this.ctx.request.body.color_id; var goods_image_id=this.ctx.request.body.goods_image_id; console.log(this.ctx.request.body); if(color_id){ color_id=this.app.mongoose.Types.ObjectId(color_id); } var result= await this.ctx.model.GoodsImage.updateOne({"_id":goods_image_id},{ color_id:color_id }) if(result){ this.ctx.body={‘success’: true,‘message’:‘更新数据成功’}; }else{ this.ctx.body={‘success’: false,‘message’:‘更新数据失败’}; } }viewapp/view/admin/goods/edit.html <div role=“tabpanel” class=“tab-pane” id=“photo”> <div id=“goods_image”> <ul id=“goods_image_list” class=“goods_image_list clear”> <%for(var i=0;i<goodsImage.length;i++){%> <li> <img class=“pic” src="<%=goodsImage[i].img_url%>" /> <div class=“color_list”> <select class=“relation_goods_color” goods_image_id="<%=goodsImage[i]._id%>"> <option value=“0”>关联颜色</option> <%for(var j=0;j<goodsColor.length;j++){%> <option value="<%=goodsColor[j]._id%>" <%if(goodsImage[i].color_id.toString()==goodsColor[j]._id){%>selected<%}%> ><%=goodsColor[j].color_name%></option> <%}%> </select> </div> <div class=“goods_image_delete” goods_image_id="<%=goodsImage[i]._id%>"></div> </li> <%}%> </ul> </div> <div id=“photoLib” class=“photoLib”></div> <div id=“photoList”> </div> </div> $(’.relation_goods_color’).change(function(){ var color_id=$(this).val(); var goods_image_id=$(this).attr(‘goods_image_id’); console.log(color_id,goods_image_id); $.post(’/admin/goods/changeGoodsImageColor?_csrf=<%=csrf%>’,{color_id:color_id,goods_image_id:goods_image_id},function(response){ console.log(response); }) })效果