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测试对象与json字符串的转换
Stringstr = "{"id":"1001","name":"Java入门","price":19.88,"pnum":100,"category":"IT","description":"Good Book"}"; System.out.println(str);
//创建 "对象映射" 对象 ObjectMapper mapper = new ObjectMapper();
Book book = mapper.readValue(str, Book.class); System.out.println(book); |
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