Java Fasterxml Jackson映射-数据未正确绑定
我试图在浏览器中显示我的JSON,我用JSON获取数据,但只获取表的最后一条记录。我的构建路径中存在以下JARJava Fasterxml Jackson映射-数据未正确绑定,java,json,spring,jackson,fasterxml,Java,Json,Spring,Jackson,Fasterxml,我试图在浏览器中显示我的JSON,我用JSON获取数据,但只获取表的最后一条记录。我的构建路径中存在以下JAR 杰克逊数据绑定 杰克逊核心 杰克逊注释 这是我的控制器方法 @RequestMapping("/viewDashboard") @ResponseBody public ModelMap test(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, @Re
- 杰克逊数据绑定
- 杰克逊核心
- 杰克逊注释
@RequestMapping("/viewDashboard")
@ResponseBody
public ModelMap test(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, @RequestParam String name) {
ModelMap modelMap = new ModelMap();
List<Instances> instances = viewDashboardServiceImpl.viewDashboard();
log.info(instances.size());
return modelMap.addAllAttributes(instances);
}
}
提前感谢。看起来这里真正的问题是
modelMap.addAllAttributes(instances)
调用。Spring将根据每个元素的类名为列表元素生成键
例如:
List<String> list = Arrays.asList("x", "y", "z");
ModelMap m = new ModelMap();
m.addAllAttributes(list);
List<String> list = Arrays.asList("x", "y", "z");
ModelMap m = new ModelMap();
m.addAllAttributes(list);
modelMap.addAttribute("myInstances", instances);