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解决grails导出excel的中文件名乱码问题

class XlsController{

/**
    * 字符串编码
    */
    final def encode(String value,String charSet='UTF-8'){
        java.net.URLEncoder.encode(value, charSet)
    }

def xlsExportService
def i18nKeyList = ['username','nickname']
   def exportXls = {
        def fileName = encode('东明')       
response.setHeader("Contentdisposition","attachment;filename=${fileName}.xls")
        response.setContentType("application/vnd.ms-excel")
        def dataList = personService.list(cache:true)
        def titleList = i18nKeyList.collect{ key -> message(code:key) }
        xlsExportService.genForList(dataList,titleList,response.outputStream)
    }

}

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