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'新增导出功能'

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lxyer
2019-04-24 17:36:55 +08:00
parent e13588f3ab
commit 936d4dc992
9 changed files with 162 additions and 173 deletions
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8
src/main/java/net/tccn/base/MetaKit.java
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@@ -369,15 +369,13 @@ public class MetaKit {
}
@Comment("业务导出表头配置")
public Kv cfgExport(String name, String token) {
public static Kv cfgExport(String name, String token) {
MetaService metaService = getMetaService(name, token);
Kv<String, MetaTable> tables = getMetaTables(metaService, true);
List<Map<String,String>> exports = metaService.getExports();
Kv kv = Kv.of();
Kv kv = Kv.of(); // {col:label}
exports.forEach(x -> {
kv.put(x.get("col"), x.get("lable"));
kv.put(x.get("col"), x.get("label"));
});
return kv;
}

58
src/main/java/net/tccn/base/MetaRender.java Normal file
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@@ -0,0 +1,58 @@
package net.tccn.base;
import com.lxyer.excel.poi.ExcelKit;
import org.apache.poi.ss.usermodel.Workbook;
import org.redkale.convert.Convert;
import org.redkale.net.http.*;
import org.redkale.util.AnyValue;
import java.io.File;
import java.io.FileOutputStream;
import java.util.List;
import java.util.Map;
/**
* @author: liangxianyou
*/
public class MetaRender implements HttpRender<HttpScope> {
@Override
public void init(HttpContext context, AnyValue config) {
}
@Override
public <V extends HttpScope> void renderTo(HttpRequest request, HttpResponse response, Convert convert, V scope) {
Map<String, Object> attr = scope.getAttributes();
if ("excel".equals(scope.getReferid())) {
List list = (List) attr.get("data");
Kv heads = (Kv) attr.get("heads");
String fileName = (String) attr.get("fileName");
try {
Workbook workbook = ExcelKit.exportExcel(list, heads);
File file = new File(String.format("tmp/%s.xls", fileName));
file.getParentFile().mkdirs();
if (file.exists()) file.delete();
FileOutputStream fos = new FileOutputStream(file);
workbook.write(fos);
try {
fos.close();
workbook.close();
} catch (Exception e) {
e.printStackTrace();
}
response.finish(file);
} catch (Exception e) {
e.printStackTrace();
}
}
}
@Override
public Class<HttpScope> getType() {
return HttpScope.class;
}
}

14
src/main/java/net/tccn/dbq/fbean/FBean.java
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@@ -8,9 +8,9 @@ import java.util.List;
*/
public class FBean {
private String platToken; //plat token
String name; // service key
private String type; // 操作类型 list，export
private String platToken; // 平台token
private String name; // 业务名称
private String type; // 操作类型 list：列表，export：导出
private List<Filter> filters;//[{f:xx, v: v, type:t}] -- t,
private List<Order> orders;//{f1: 1, f2: -1}
@@ -34,6 +34,14 @@ public class FBean {
this.name = name;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public List<Filter> getFilters() {
return filters;
}

91
src/main/java/net/tccn/dbq/parser/ParseMysql.java
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@@ -10,7 +10,6 @@ import net.tccn.meta.MetaTable;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.function.BiFunction;
import java.util.function.Predicate;
import java.util.stream.Collectors;
@@ -36,57 +35,6 @@ public class ParseMysql implements Parser {
return false;
};
BiFunction<Filter, String, String> buildFilter = (f, cate) -> {
return null;
};
@Deprecated
/*Function<FBean, Kv<String, MetaTable>> tablesFun = fbean -> {
MetaService metaService = MetaKit.getMetaService(fbean.getName());
List<Filter> filters = fbean.getFilters();
List<String> shows = metaService.getShows();
Kv tables = Kv.of();
shows.forEach(x-> {
String table = x.split("[.]")[0];
tables.set(table, MetaKit.getMetaTableByAlias(table));
});
filters.forEach(f -> {
String table = f.getCol().split("[.]")[0];
if (!tables.containsKey(table)) {
tables.set(table, MetaKit.getMetaTableByAlias(table));
}
});
metaService.getShows();
//查询用的过滤条件
Map<String, List<Filter>> filterMap = filters.stream().collect(Collectors.groupingBy(x -> x.getCol().split("[.]")[0]));
//要展示的数据
Map<String, List<String>> showMap = shows.stream().collect(Collectors.groupingBy(x -> x.split("[.]")[0]));
StringBuffer bufWhere = new StringBuffer();
filterMap.getOrDefault(metaService.getTable(), asList()).forEach(f -> {
bufWhere.append(f.getCol()).append(f.getType()).append(f.getValue());
});
//select * from tableA a left join tableB b on a.xx = b.yy where b.zz = xxx;
//where tableB where b.
//是否跨库
return tables;
};*/
Predicate<Kv<String, MetaTable>> sameDbFun = (kv) -> {
String dbPlatId = null;
for (MetaTable metaTable : kv.values()) {
@@ -105,7 +53,8 @@ public class ParseMysql implements Parser {
Kv<String, MetaTable> tables = MetaKit.getMetaTables(metaService, false);//所有的关联表信息
MetaTable metaTable = tables.get(metaService.getTable());//基础元数据
List<Map<String, String>> shows = metaService.getShows();//查询的属性
List<Map<String, String>> shows = metaService.getShows();//查询的属性-列表
List<Map<String, String>> exports = metaService.getExports();//查询的属性-导出
List<String> _filters = fBean.getFilters().stream().map(Filter::getCol).collect(Collectors.toList());
List<MetaLink> links = MetaKit.getMetaLinks(
@@ -132,9 +81,14 @@ public class ParseMysql implements Parser {
//select a.x, b.y, c.z
StringBuffer bufSelect = new StringBuffer();
bufSelect.append("select ");
if (!isEmpty.test(shows)) {
if ("export".equals(fBean.getType()) && !isEmpty.test(exports)) {
exports.forEach(x -> {
bufSelect.append(x.get("col")).append(" as ").append("'").append(x.get("col")).append("',");
});
bufSelect.deleteCharAt(bufSelect.length() - 1);
}
else if ("list".equals(fBean.getType()) && !isEmpty.test(shows)) {
shows.forEach(x -> {
//buf.append("`").append("x").append("`").append(",");
bufSelect.append(x.get("col")).append(" as ").append("'").append(x.get("col")).append("',");
});
bufSelect.deleteCharAt(bufSelect.length() - 1);
@@ -178,31 +132,4 @@ public class ParseMysql implements Parser {
return null;
}
/*@Override
public String parse(Filter filter) {
return null;
}
@Override
public String parseSave(MetaService ms, Map data) {
MetaTable metaTable = MetaKit.getMetaTableByAlias(ms.getName());//基础元数据
String sqlTpl = "insert %s (%s) value (%s)";
StringBuilder bufK = new StringBuilder();
StringBuilder bufV = new StringBuilder();
data.forEach((k,v) -> {
if (v != null || !String.valueOf(v).isEmpty()) {
bufK.append("`").append(k).append("`,");
if (v instanceof Number) {
bufV.append(v).append(",");
} else {
bufV.append("'").append(v).append("',");
}
}
});
bufK.deleteCharAt(bufK.length() - 1);
bufV.deleteCharAt(bufV.length() - 1);
return String.format(sqlTpl, metaTable.getName(), bufK.toString(), bufV.toString());
}*/
}

17
src/main/java/net/tccn/service/DataService.java
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@@ -1,8 +1,8 @@
package net.tccn.service;
import com.lxyer.excel.poi.ExcelKit;
import net.tccn.base.JBean;
import net.tccn.base.Kv;
import net.tccn.base.MetaKit;
import net.tccn.base.PageBean;
import net.tccn.dbq.DbExecutors;
import net.tccn.dbq.fbean.FBean;
@@ -32,6 +32,7 @@ public class DataService extends BaseService {
JBean jBean = new JBean();
try {
fBean.setPlatToken(token);
fBean.setType("list");
PageBean page = DbExecutors.findPage(fBean);
jBean.setBody(page);
} catch (Exception e) {
@@ -52,15 +53,23 @@ public class DataService extends BaseService {
}
@Comment("数据导出excel")
public HttpScope export(FBean fBean, @RestParam(name = "platToken") String token) {
public HttpScope export(FBean fBean, String fileName, @RestParam(name = "platToken") String token) {
try {
fBean.setPlatToken(token);
fBean.setType("export");
PageBean page = DbExecutors.findPage(fBean);
Kv heads = MetaKit.cfgExport(fBean.getName(), token);
ExcelKit.exportExcel(page.getRows(), Kv.of());
if (isEmpty.test(fileName)) {
fileName = String.format("export_excel_%s", System.currentTimeMillis());
}
Kv attrs = Kv.of();
attrs.put("data", page.getRows());
attrs.put("heads", heads);
attrs.put("fileName", fileName);
return HttpScope.refer("excel").attr("data", page.getRows()).attr("heads", null);
return HttpScope.refer("excel").attr(attrs);
} catch (ExecutionException | InterruptedException e) {
e.printStackTrace();
} catch (Exception e) {