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candy-condition-builder

v0.3.8

Published

逻辑条件构成器

Downloads

143

Readme

CandyConditionBuilder

适用于Angular项目,逻辑构建器。

使用样例

安装方式

npm i candy-condition-builder

在对应module.ts中:

import {CandyConditionBuilderModule} from "candy-condition-builder";

@NgModule({
  imports: [
    ...
    CandyConditionBuilderModule
  ]
})

在html中:

<candy-condition-builder #conditionBuilder
 [conditionCategories]="categories"
 [conditionSettings]="conditions" 
 [nodes]="buildedNodes"
 [mode]="'JAVASCRIPT'"
></candy-condition-builder>

example1

用户可以自己组合并设置所需要的业务逻辑,上图就可以解读为:

航班日期为 2020-10-28 ~ 2020-10-29 之间 北京首都机场起飞的VIP航班

操作的时候需要注意:条件可以拖拽到逻辑分组之中,逻辑分组可以包含其他逻辑分组,但根节点只能是一个逻辑分组或者单一逻辑条件。

用户可以用此控件构建复杂的逻辑条件。

同时,用户可以选择讲mode设置为 SQL, 用于范围SQL语句中 WHERE 之后的逻辑表达式

配置项

| 参数 | 说明 | 类型 | 默认值 | 例子 | | ---- | ---- | ---- | ---- | --- | | [conditionSettings] | 配置逻辑条件的数据 | FieldCondition[] | [] | 详情请见注意项1 | | [conditionCategories] | 配置逻辑条件对应的分组 | CategorySetting[] | null | 详情请见注意项2 | | [nodes] | 用于显示已保存了的条件数据 | any[], 数据格式详见@circlon/angular-tree-component 10.x 中树结构 | [] | 详情请见注意项3 | | [isConditionRequired] | 条件验证时是否需要判断有没有选取条件 | boolean | true | | | [mode] | 返回逻辑表达式的模式 | 'JAVASCRIPT', 'SQL' | 'JAVASCRIPT' | |

注意事项

  1. [conditionSettings] 类型为FieldCondition[]:

    export interface FieldCondition {
      type: string; // 设置为'field' 即可
      category?: string; // 用于分类型显示条件
      field: string; // 
      fieldName: string; // 显示的标签
      fieldType: string; // 条件类型
      conditions: any[]; // 用于选择的条件,例如 等于、不等于、包含、不包含
      selectOptions?: any; // 如果 fieldType 为 select 的时候需要提供配置
    }

    | 字段 | 说明 | 设置值 | | --- | --- | --- | | type | 设置为'field' 即可 | | | category | 对应 CategorySetting 中 key 所对应的字符,用于下拉框中分组显示选项内容|| | field | 条件对应的实体以及对象的属性,例如 flight.flightDate,flight.taskType 之类的,需要是 实体.属性 的形式|| | fieldName | 用于下拉框显示的文本 || | fieldType | 条件类型 | string, number, date, datetime, time, nullCheck, select, multiSelect, fieldCompare | | conditions | 用于选择的条件,例如 等于、不等于、包含、不包含, 格式需要为 {value: xxx, label: xxx} | 详细部分详见下表| | selectOptions | 当fieldType为select的时候需要设置 | [{value: xxx, label: xxxx}, {value: xxx, label: xxxx}, ...]|

    Conditions可配置属性

    | 类型 | 可设置的类型 | | --- | --- | | date | [{value: 'gt', label: '大于'}, {value: 'gte', label: '大于等于'}, {value: 'lt', label: '小于'}, {value: 'lte', label: '小于等于'}, {value: 'between', label: '在...之间'}] | | datetime | [{value: 'gt', label: '大于'}, {value: 'gte', label: '大于等于'}, {value: 'lt', label: '小于'}, {value: 'lte', label: '小于等于'}, {value: 'between', label: '在...之间'}] | | time | [{value: 'gt', label: '大于'}, {value: 'gte', label: '大于等于'}, {value: 'lt', label: '小于'}, {value: 'lte', label: '小于等于'}, {value: 'between', label: '在...之间'}] | | number | [{value: 'gt', label: '大于'}, {value: 'gte', label: '大于等于'}, {value: 'lt', label: '小于'}, {value: 'lte', label: '小于等于'}, {value: 'between', label: '在...之间'}] | | string | [{value: 'contains', label: '包含'}, {value: 'notContains', label: '不包含'}, {value: 'equals', label: '等于'}, {value: 'notEquals', label: '不等于'}] | | multiSelect | [{value: 'contains', label: '包含'}, {value: 'notContains', label: '不包含'}] | | select | [{value: 'equals', label: '等于'}, {value: 'notEquals', label: '不等于'}] | | fieldCompare | [{value: 'equals', label: '等于'}, {value: 'notEquals', label: '不等于'}] | | nullCheck | [{value: 'exists', label: '存在'}, {value: 'notExists', label: '不存在'}] |

  2. [conditionCategories] CategorySetting[]:

    用于将条件选择框里的选项按照其分类进行分组,key对应 [conditionSettings] 数据里的category。

    例子:[{key: 'flight', name: '航班'}, {key: 'task', name: '任务'}]

    categorySettings1

  3. [nodes] 用于显示已保存了的条件数据,由 getConditionResult() 的方法获取:

    getConditionResult() 会返回 scriptnodes 两个对象,其中script是最后生成的逻辑表达式;nodes 是代表当前交互界面对应的数据,用户可以把这段json数据保存下来。