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标题:select标签填充json无限分类以及创建optgroup项
正文:
下边是读取json填充select标签，因为分类是无限的，所以采用js的递归方法：var json = { "parents": [ { "name": "餐饮", "childrens": [ { "name": "小吃", "childrens": [ { "name": "东北小吃" } ] }, { "name": "大吃" } ] }, { "name": "酒店" }, { "name": "度假村", "childrens": [{ "name": "海南" }, { "name":"三亚", "childrens": [] } ] } ] };（关于json和字符串的转换，请查看：http://camnpr.com/archives/json2.html） var flag = "", parent = json.parents;fillSelect(parent);function fillSelect(pr, f) { for (var i = 0, len = pr.length; i < len; i++) { $("#mysl").addOption((f || "") + (pr[i].childrens && pr[i].childrens.length || pr == parent ? "┣" : "┗") + pr[i].name, pr[i].name); &
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