如何在sails.js中定义错误消息 [英] how to define error message in sails.js
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问题描述
这是我第一次使用SAILS,它看起来不错,但我遇到了一个问题,是否可以在SAILS模型验证中定义自定义错误消息,因为它看起来返回的错误消息是给技术人员而不是用户友好的。
谢谢
更新:https://gist.github.com/mikermcneil/8366092
推荐答案
这里有另一个备选方案:
/**
* Takes a Sails Model object (e.g. User) and a ValidationError object and translates it into a friendly
* object for sending via JSON to client-side frameworks.
*
* To use add a new object on your model describing what validation errors should be translated:
*
* module.exports = {
* attributes: {
* name: {
* type: 'string',
* required: true
* }
* },
*
* validation_messages: {
* name: {
* required: 'you have to specify a name or else'
* }
* }
* };
*
* Then in your controller you could write something like this:
*
* var validator = require('sails-validator-tool');
*
* Mymodel.create(options).done(function(error, mymodel) {
* if(error) {
* if(error.ValidationError) {
* error_object = validator(Mymodel, error.Validation);
* res.send({result: false, errors: error_object});
* }
* }
* });
*
* @param model {Object} An instance of a Sails.JS model object.
* @param validationErrors {Object} A standard Sails.JS validation object.
*
* @returns {Object} An object with friendly validation error conversions.
*/
module.exports = function(model, validationError) {
var validation_response = {};
var messages = model.validation_messages;
validation_fields = Object.keys(messages);
validation_fields.forEach(function(validation_field) {
if(validationError[validation_field]) {
var processField = validationError[validation_field];
//console.log(processField);
processField.forEach(function(rule) {
if(messages[validation_field][rule.rule]) {
if(!(validation_response[validation_field] instanceof Array)) {
validation_response[validation_field] = new Array();
}
var newMessage={};
newMessage[rule.rule] = messages[validation_field][rule.rule];
validation_response[validation_field].push(newMessage);
}
});
}
});
return validation_response;
};
贷方:SFB_
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