package com.java110.code;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.java110.utils.util.StringUtil;
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public class TableToJson {
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//show create table c_orders 用这个语句获取
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public static final String createTableSql = "CREATE TABLE `c_orders` (\n" +
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" `o_id` varchar(30) NOT NULL COMMENT '订单ID',\n" +
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" `app_id` varchar(30) NOT NULL COMMENT '应用ID',\n" +
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" `ext_transaction_id` varchar(36) DEFAULT NULL,\n" +
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" `user_id` varchar(30) NOT NULL COMMENT '用户ID',\n" +
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" `request_time` varchar(16) NOT NULL COMMENT '外部系统请求时间',\n" +
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" `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',\n" +
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" `order_type_cd` varchar(4) NOT NULL COMMENT '订单类型,参考c_order_type表',\n" +
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" `finish_time` date DEFAULT NULL COMMENT '订单完成时间',\n" +
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" `remark` varchar(200) DEFAULT NULL COMMENT '备注',\n" +
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" `status_cd` varchar(2) NOT NULL COMMENT '数据状态,详细参考c_status表',\n" +
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" UNIQUE KEY `o_id` (`o_id`) USING BTREE,\n" +
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" UNIQUE KEY `o_id_2` (`o_id`) USING BTREE\n" +
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")";
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public static void main(String[] args) {
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String newSql = createTableSql.substring(createTableSql.indexOf("(") + 1, createTableSql.lastIndexOf(")"));
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String tableName = createTableSql.substring(createTableSql.indexOf("TABLE") + 5, createTableSql.indexOf("("));
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tableName = tableName.replaceAll("`", "").trim();
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newSql = newSql.replaceAll("\n", "");
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String[] rowSqls = newSql.split(",");
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JSONObject param = new JSONObject();
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param.put("autoMove", true);
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param.put("desc", "");
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param.put("id", "");
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param.put("name", "");
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param.put("shareColumn", "");
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param.put("shareName", "");
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param.put("shareParam", "");
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param.put("tableName", tableName);
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JSONObject paramColumn = new JSONObject();
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JSONArray requireds = new JSONArray();
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JSONObject required = null;
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String key = "";
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for (String rowSql : rowSqls) {
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required = new JSONObject();
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key = rowSql.trim();
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key = key.substring(0, key.indexOf(" "));
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key = key.replaceAll("`", "");
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if ("UNIQUE".equals(key)) {
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continue;
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}
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if ("create_time".equals(key)) {
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continue;
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}
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if(rowSql.toLowerCase().contains("not null")){
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required.put("code",StringUtil.lineToHump(key));
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String comment = rowSql.substring(rowSql.indexOf("COMMENT '")+9,rowSql.lastIndexOf("'"));
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required.put("msg",comment+"不能为空");
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requireds.add(required);
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}
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paramColumn.put(StringUtil.lineToHump(key), key);
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}
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param.put("param", paramColumn);
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param.put("required", requireds);
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System.out.println(param.toJSONString());
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}
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}
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