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const ApiError = require('../util/api_error') |
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const Constant = require('../libraries/constant') |
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module.exports = function (ctx, rules, message = {}) { |
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let msgKey |
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let input = ctx.input |
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for (let field in rules) { |
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rules[field].split('|').forEach(rule => { |
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// 普通的message key名称 |
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msgKey = field + '.' + rule |
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if (rule === 'required') { |
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if (!!input[field] === false) { |
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let msg = !!message[msgKey] === true ? message[msgKey] : field + ' 不能为空' |
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throw new ApiError('validate.error', msg) |
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} |
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return true |
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} |
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// 非必填项,有值再进行判断 |
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if (!!input[field] === false) return true |
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// 特殊条件 |
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if (rule.indexOf(':') > 0) { |
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let checkRule = rule.split(':') |
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msgKey = field + '.' + checkRule[0] |
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switch (checkRule[0]) { |
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case 'in': |
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let ruleData = checkRule[1].split(',') |
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// 数组 |
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if (ruleData instanceof Array === true) { |
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if (ruleData.indexOf(input[field]) === -1) { |
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let msg = !!message[msgKey] === true ? message[msgKey] : field + ' 非法' |
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throw new ApiError('validate.error', msg) |
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} |
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} else { |
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let msg = '规则设置错误' |
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throw new ApiError('validate.error', msg) |
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} |
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break |
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case 'min': |
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// todo |
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break |
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case 'max': |
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// todo |
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break |
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default: |
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console.log('error “:” rule: ' + rule) |
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let msg = '参数验证详细规则错误' |
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throw new ApiError('validate.error', msg) |
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break |
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} |
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return true |
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} |
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// 简单条件 |
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switch (rule) { |
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case 'numeric': |
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if (isNaN(input[field]) === true) { |
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let msg = !!message[msgKey] === true ? message[msgKey] : field + ' 必须为数字' |
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throw new ApiError('validate.error', msg) |
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} |
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break |
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default: |
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console.log('error rule: ' + rule) |
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let msg = '参数验证规则错误' |
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throw new ApiError('validate.error', msg) |
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break |
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} |
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return true |
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}) |
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} |
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} |