功能: var fruitArry=[{name:'durian'},{name:'peach'},{name:'banana'},{name:'pitaya'},{name:'apple'},{name:'cherry'}]; var fruit={'banana':'香蕉','peach':'桃子','durian':'榴莲','pitaya':'火龙果'}; 将 fruitArry 中 name 的值根据 fruit 的 key 值进行替换:如果 fruitArry 的
编写qsbk_spider.py爬虫文件 # -*- coding: utf-8 -*- import scrapy from qsbk.items import QsbkItem from scrapy.http.response.html import HtmlResponse from scrapy.selector.unified import SelectorList class QsbkSpiderSpider(scrapy.Spider): name = 'qsbk_spider'
代码小结,使用 JS 对数据进行分组,对分组中的数组取最大数组: var combineTemplate = JSON.parse(data.combineTemplate); //根据仪器种类ID分组 var temp = {}, dest = []; for (var i = 0; i < combineTemplate.length; i++) { var ele = combineTemplate[i]; if (!temp[ele.typeId]) {//不存在就添加新得元素 dest