【update】注释方法
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mzc5649
+25
-9
@@ -150,7 +150,9 @@ public class DbReadTableUtil {
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log.debug("--------------sql-------------" + sqlStr);
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ResultSet resultSet = statement.executeQuery(sqlStr);
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// 游标指向结果集末尾
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resultSet.last();
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// 返回结果是当前数据集的行号，而不是结果的行数
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row = resultSet.getRow();
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if (row <= 0) {
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throw new Exception("该表不存在或者表中没有字段");
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@@ -177,7 +179,7 @@ public class DbReadTableUtil {
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if (com.jero.codegenerate.properties.CodeConfigProperties.pageFilterFields != null) {
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pageFilterFieldsStrings = com.jero.codegenerate.properties.CodeConfigProperties.pageFilterFields.toLowerCase().split(",");
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}
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// 字段名不等与表id名&&查询字段不包括数据库名
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if (!com.jero.codegenerate.properties.CodeConfigProperties.dbTableId.equals(columnVo.getFieldName()) && !CodeStringUtils.isPageFilterFieldsContainDbName(columnVo.getFieldDbName().toLowerCase(), pageFilterFieldsStrings)) {
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list.add(columnVo);
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}
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@@ -239,7 +241,12 @@ public class DbReadTableUtil {
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return result;
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}
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/**
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* 获取该表下原本所有列(字段)信息的集合
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* @date 2021/4/2 10:02
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* @param tableName
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* @return java.util.List<com.jero.codegenerate.generate.pojo.ColumnVo>
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*/
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public static List<ColumnVo> listOriginalColumns(String tableName) throws Exception {
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ResultSet resultSet = null;
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String sqlStr = null;
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@@ -274,7 +281,9 @@ public class DbReadTableUtil {
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}
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resultSet = statement.executeQuery(sqlStr);
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// 游标指向结果集末尾
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resultSet.last();
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// 返回结果是当前数据集的行号，而不是结果的行数
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row = resultSet.getRow();
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if (row <= 0) {
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throw new Exception("该表不存在或者表中没有字段");
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@@ -356,7 +365,7 @@ public class DbReadTableUtil {
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return result;
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}
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/**
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* 该方法暂未用到
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* 查询是否该表不存在或没有字段
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* @date 2021/4/2 9:18
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* @param tableName
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* @return boolean
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@@ -376,21 +385,23 @@ public class DbReadTableUtil {
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// mysql获取表的列信息sql
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sqlStr = "select column_name,data_type,column_comment,0,0 from information_schema.columns where table_name = '" + tableName + "' and table_schema = '" + catalog + "'";
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}
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// oracle获取表的列信息sql
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if (com.jero.codegenerate.properties.CodeConfigProperties.databaseType.equals(DbConvertDef.ORACLE)) {
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sqlStr = "select colstable.column_name column_name, colstable.data_type data_type, commentstable.comments column_comment from user_tab_cols colstable inner join user_col_comments commentstable on colstable.column_name = commentstable.column_name where colstable.table_name = commentstable.table_name and colstable.table_name = '" + tableName.toUpperCase() + "'";
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}
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// postgresql获取表的列信息sql
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if (com.jero.codegenerate.properties.CodeConfigProperties.databaseType.equals(DbConvertDef.POSTGRESQL)) {
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sqlStr = MessageFormat.format("select icm.column_name as field,icm.udt_name as type,fieldtxt.descript as comment, icm.numeric_precision_radix as column_precision ,icm.numeric_scale as column_scale ,icm.character_maximum_length as Char_Length,icm.is_nullable as attnotnull from information_schema.columns icm, (SELECT A.attnum,( SELECT description FROM pg_catalog.pg_description WHERE objoid = A.attrelid AND objsubid = A.attnum ) AS descript,A.attname FROM\tpg_catalog.pg_attribute A WHERE A.attrelid = ( SELECT oid FROM pg_class WHERE relname = {0} ) AND A.attnum > 0 AND NOT A.attisdropped ORDER BY\tA.attnum ) fieldtxt where icm.table_name={1} and fieldtxt.attname = icm.column_name", TableConvert.c(tableName), TableConvert.c(tableName));
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sqlStr = MessageFormat.format(DbConvertDef.POSTGRESQL_ALLCOLUMNS_SQL, TableConvert.c(tableName), TableConvert.c(tableName));
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}
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// sqlserver获取表的列信息sql
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if (com.jero.codegenerate.properties.CodeConfigProperties.databaseType.equals(DbConvertDef.SQLSERVER)) {
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sqlStr = MessageFormat.format("select distinct cast(a.name as varchar(50)) column_name, cast(b.name as varchar(50)) data_type, cast(e.value as NVARCHAR(200)) comment, cast(ColumnProperty(a.object_id,a.Name,'''Precision''') as int) num_precision, cast(ColumnProperty(a.object_id,a.Name,'''Scale''') as int) num_scale, a.max_length, (case when a.is_nullable=1 then '''y''' else '''n''' end) nullable,column_id from sys.columns a left join sys.types b on a.user_type_id=b.user_type_id left join (select top 1 * from sys.objects where type = '''U''' and name ={0} order by name) c on a.object_id=c.object_id left join sys.extended_properties e on e.major_id=c.object_id and e.minor_id=a.column_id and e.class=1 where c.name={0} order by a.column_id", TableConvert.c(tableName));
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sqlStr = MessageFormat.format(DbConvertDef.SQLSERVER_ALLCOLUMNS_SQL, TableConvert.c(tableName));
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}
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ResultSet resultSet = statement.executeQuery(sqlStr);
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// 游标指向结果集末尾
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resultSet.last();
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// 返回结果是当前数据集的行号，而不是结果的行数
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int row = resultSet.getRow();
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return row > 0;
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} catch (Exception e) {
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@@ -398,7 +409,12 @@ public class DbReadTableUtil {
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return false;
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}
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}
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/**
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* 转换字段名破折号间隔命名为驼峰命名
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* @date 2021/4/2 9:35
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* @param fieldName 字段名
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* @return java.lang.String
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*/
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private static String convertFieldNameToCamelCase(String fieldName) {
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String[] fieldNameArray = fieldName.split("_");
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fieldName = "";
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+14
-2
@@ -36,7 +36,13 @@ public class CodeStringUtils {
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public static Integer checkIntegerAndGet(Integer var0) {
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return var0 == null ? 0 : var0;
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}
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/**
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* 是否查询字段数组包含数据库名
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* @date 2021/4/2 9:48
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* @param dbName 数据库名
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* @param pageFilterFieldsStrings 查询字段数组
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* @return boolean
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*/
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public static boolean isPageFilterFieldsContainDbName(String dbName, String[] pageFilterFieldsStrings) {
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if (pageFilterFieldsStrings != null && pageFilterFieldsStrings.length != 0) {
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for(int i = 0; i < pageFilterFieldsStrings.length; ++i) {
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@@ -51,7 +57,13 @@ public class CodeStringUtils {
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return false;
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}
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}
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/**
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* 字符串集合是否包含目标字符串
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* @date 2021/4/2 10:18
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* @param target
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* @param stringList
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* @return boolean
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*/
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public static boolean isListContainString(String target, List<String> stringList) {
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String[] stringArray = new String[0];
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if (stringList != null) {
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