id to load is required for loading
2008-11-04 13:12
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String cid = request.getParameter("cid");
1、
Network network = (Network )this.getNetWorkService().get(Network .class, Long.parseLong(cid));
2、
Long lcid = Long.parseLong(cid);
Network network = (Network )this.getNetWorkService().get(Network .class, lcid);
第一种写法后报错,提示:id to load is required for loading(原因好像是后面的lcid一定要和数据库的映射类型相同,作为参数强制转换也不行)。
第二种正常。
1、
Network network = (Network )this.getNetWorkService().get(Network .class, Long.parseLong(cid));
2、
Long lcid = Long.parseLong(cid);
Network network = (Network )this.getNetWorkService().get(Network .class, lcid);
第一种写法后报错,提示:id to load is required for loading(原因好像是后面的lcid一定要和数据库的映射类型相同,作为参数强制转换也不行)。
第二种正常。
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