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web项目request对象获取参数 get请求: request.getParameter(); request.getParameterMap(); request.getParameterNames(); request.getParameterValues(); post请求: Servle 阅读全文
posted @ 2019-12-31 15:50
骑驴晒太阳
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注解与反射: //获取当前对象上所有的注解Annotation[] annotations = obj.getClass().getAnnotations();//获取当前对象上指定注解RestController speciAnno = obj.getClass().getAnnotation(R 阅读全文
posted @ 2019-12-31 11:23
骑驴晒太阳
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List转Array List<String> bb = new ArrayList<>(); Array[] dd = bb.toArray(new String[0]); Array复制为List<String> String[] aa = new String[]{"1","2","3"}; 阅读全文
posted @ 2019-12-31 11:22
骑驴晒太阳
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