/** 安装 */ @RequestMapping(value = "/install", method = RequestMethod.POST) public @ResponseBody Message install() { if (!paypalPlugin.getIsInstalled()) { PluginConfig pluginConfig = new PluginConfig(); pluginConfig.setPluginId(paypalPlugin.getId()); pluginConfig.setIsEnabled(false); pluginConfigService.save(pluginConfig); } return SUCCESS_MESSAGE; }