63 lines
2.1 KiB
Java
63 lines
2.1 KiB
Java
package com.jsh.erp.utils;
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import javax.servlet.http.HttpServletRequest;
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import java.util.Collections;
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import java.util.Enumeration;
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import java.util.HashMap;
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/**
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* @author jishenghua qq752718920 2018-10-7 15:26:27
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*/
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public class ParamUtils {
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public static String getPageOffset(Integer currentPage, Integer pageSize) {
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if (currentPage != null && pageSize != null) {
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int offset = (currentPage - 1) * pageSize;
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if (offset <= 0) {
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return "0";
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} else {
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return new StringBuffer().append(offset).toString();
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}
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}
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return null;
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}
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public static Integer getNumberPageOffset(Integer currentPage, Integer pageSize) {
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if (currentPage != null && pageSize != null) {
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int offset = (currentPage - 1) * pageSize;
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if (offset <= 0) {
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return 0;
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} else {
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return offset;
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}
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}
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return null;
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}
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public static Integer getNumberPageRows(Integer currentPage, Integer pageSize) {
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if (currentPage != null && pageSize != null) {
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int rows = (currentPage) * pageSize;
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if (rows <= 0) {
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return 0;
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} else {
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return rows;
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}
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}
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return null;
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}
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public static HashMap<String, String> requestToMap(HttpServletRequest request) {
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HashMap<String, String> parameterMap = new HashMap<String, String>();
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Enumeration<String> names = request.getParameterNames();
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if (names != null) {
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for (String name : Collections.list(names)) {
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parameterMap.put(name, request.getParameter(name));
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/*HttpMethod method = HttpMethod.valueOf(request.getMethod());
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if (method == GET || method == DELETE)
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parameterMap.put(name, transcoding(request.getParameter(name)));
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else
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parameterMap.put(name, request.getParameter(name));*/
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}
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}
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return parameterMap;
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}
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}
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