@PostMapping("/createOrUpdate")
    @RequiresPermissions(value = {"system:meta:add", "system:meta:edit"}, logical = Logical.OR)
    public ShenyuAdminResult createOrUpdate(@Valid @RequestBody final MetaDataDTO metaDataDTO) {
        return ShenyuAdminResult.success(metaDataService.createOrUpdate(metaDataDTO));
    }
Create or update metadata.

@param metaDataDTO the meta data dto
@return the shenyu result
shenyu-admin/src/main/java/org/apache/shenyu/admin/controller/MetaDataController.java