1.功能描述

级联选择器：可一级一级的往下选择数据

2.数据准备

请在mysql数据库执行以下初始化脚本

注意：租户模式下，请手动将“tenant_id_ = -1”（-1为平台数据，若在租户下使用，将-1换成对应的租户id即可）

SET NAMES utf8mb4;

SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------

-- Table structure for contracttype

-- ----------------------------

DROP TABLE IF EXISTS `contracttype`;

CREATE TABLE `contracttype`  (

  `ID_` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,

  `PID_` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,

  `TYPE` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '合同种类'

) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------

-- Records of contracttype

-- ----------------------------

INSERT INTO `contracttype` VALUES ('1', '0', '收入类合同');

INSERT INTO `contracttype` VALUES ('2', '0', '物资类合同');

INSERT INTO `contracttype` VALUES ('3', '0', '服务类合同');

INSERT INTO `contracttype` VALUES ('4', '0', '租赁类合同');

INSERT INTO `contracttype` VALUES ('5', '0', '承揽类合同');

INSERT INTO `contracttype` VALUES ('6', '0', '劳动合同');

INSERT INTO `contracttype` VALUES ('7', '0', '投融资合同');

INSERT INTO `contracttype` VALUES ('8', '0', '其他合同');

INSERT INTO `contracttype` VALUES ('9', '1', '销售类');

INSERT INTO `contracttype` VALUES ('10', '1', '对外服务类');

INSERT INTO `contracttype` VALUES ('11', '2', '采购类');

INSERT INTO `contracttype` VALUES ('12', '3', '咨询类');

INSERT INTO `contracttype` VALUES ('13', '3', '法律类');

INSERT INTO `contracttype` VALUES ('14', '3', '评估类');

INSERT INTO `contracttype` VALUES ('15', '3', '培训类');

INSERT INTO `contracttype` VALUES ('16', '4', '设备类');

INSERT INTO `contracttype` VALUES ('17', '5', '装修');

INSERT INTO `contracttype` VALUES ('18', '5', '工程施工');

INSERT INTO `contracttype` VALUES ('19', '6', '劳动合同（制式）');

INSERT INTO `contracttype` VALUES ('20', '6', '新签类劳动合同');

INSERT INTO `contracttype` VALUES ('21', '6', '续签类劳动合同');

INSERT INTO `contracttype` VALUES ('22', '7', '融资');

INSERT INTO `contracttype` VALUES ('23', '7', '担保');

INSERT INTO `contracttype` VALUES ('24', '7', '合资合作类');

INSERT INTO `contracttype` VALUES ('25', '9', '煤炭');

INSERT INTO `contracttype` VALUES ('26', '10', '技术服务');

INSERT INTO `contracttype` VALUES ('27', '10', '管理服务');

INSERT INTO `contracttype` VALUES ('28', '11', '办公设备');

INSERT INTO `contracttype` VALUES ('29', '11', 'IT设备');

INSERT INTO `contracttype` VALUES ('30', '12', '信息咨询');

INSERT INTO `contracttype` VALUES ('31', '12', '技术咨询');

INSERT INTO `contracttype` VALUES ('32', '12', '财务顾问');

INSERT INTO `contracttype` VALUES ('33', '12', '审计业务');

INSERT INTO `contracttype` VALUES ('34', '12', '风险管理咨询');

INSERT INTO `contracttype` VALUES ('35', '13', '常年法律顾问协议');

INSERT INTO `contracttype` VALUES ('36', '13', '诉讼或专项委托代理');

INSERT INTO `contracttype` VALUES ('37', '14', '矿业权评估');

INSERT INTO `contracttype` VALUES ('38', '14', '土地评估');

INSERT INTO `contracttype` VALUES ('39', '14', '资产评估');

INSERT INTO `contracttype` VALUES ('40', '14', '资源评估');

INSERT INTO `contracttype` VALUES ('41', '15', '外部培训');

INSERT INTO `contracttype` VALUES ('42', '16', '办公设备租赁');

INSERT INTO `contracttype` VALUES ('43', '16', '写字楼');

INSERT INTO `contracttype` VALUES ('44', '16', '房屋');

INSERT INTO `contracttype` VALUES ('45', '16', '食堂');

INSERT INTO `contracttype` VALUES ('46', '16', '车库或车位');

INSERT INTO `contracttype` VALUES ('47', '16', '广告位');

INSERT INTO `contracttype` VALUES ('48', '16', '住宿');

INSERT INTO `contracttype` VALUES ('49', '17', '办公楼装修');

INSERT INTO `contracttype` VALUES ('50', '18', '信息工程');

INSERT INTO `contracttype` VALUES ('51', '22', '银行借款合同（制式）');

INSERT INTO `contracttype` VALUES ('52', '22', '银行承兑协议（制式）');

INSERT INTO `contracttype` VALUES ('53', '22', '融资租赁合同（制式）');

INSERT INTO `contracttype` VALUES ('54', '22', '信托、债权投资类（制式）');

INSERT INTO `contracttype` VALUES ('55', '23', '银行担保合同（制式）');

INSERT INTO `contracttype` VALUES ('56', '23', '对外担保合同（制式）金晖煤焦化');

INSERT INTO `contracttype` VALUES ('57', '24', '合作意向书');

INSERT INTO `contracttype` VALUES ('58', '24', '合资合作框架协议');

INSERT INTO `contracttype` VALUES ('59', '24', '合资合作合同书');

INSERT INTO `contracttype` VALUES ('60', '24', '转让合同（资产/股权）');

SET FOREIGN_KEY_CHECKS = 1;

3.基础操作

例：合同管理中选择合同类型；

配置如下：

第一步：进入【元件管理】->【关联查询】中，配置级联的关联查询

设置返回字段、条件字段

设置自定义SQL

第二步：进步表单设计页面，将合同类型绑定级联控件，并配置关联查询