springMVC支持jsonp

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@RequestMapping("directives.json")
@ResponseBody
public MappingJacksonValue directives(String callback) {
    MappingJacksonValue mappingJacksonValue = new MappingJacksonValue("you can put everything here.");
    mappingJacksonValue.setJsonpFunction(callback);
    return mappingJacksonValue;
}


转自:https://www.oschina.net/code/snippet_1765022_50919