iOS下WebService接口调用与解析-一、Soap对象的封装

来源：互联网发布：人工智能大会2017 编辑：程序博客网时间：2024/06/01 19:35

封装Soap对象

Soap对象是对请求体的简单封装，免去重复而又容易出错的拼接工作。

首先是头文件：SOAPMessage.h

#import <Foundation/Foundation.h>@interface SOAPMessage : NSObject@property (nonatomic, strong) NSString *nameSpace;@property (nonatomic, strong) NSString *methodName;@property (nonatomic, strong) NSDictionary *params;- (SOAPMessage *)initWithNameSpace:(NSString *)nameSpace withMethodName:(NSString *)method withParams:(NSDictionary *)params;/** * 创建SOAP消息，内容格式就是网站上提示的请求报文的实体主体部分 */- (NSString *)getSoapMessage;@end

头文件中，定义了三个属性，分别为：

nameSpace：命名空间
methodName:方法名
params：方法名对应的参数列表

一个初始化方法：
- (SOAPMessage )initWithNameSpace:(NSString )nameSpace withMethodName:(NSString )method withParams:(NSDictionary )params;
包含三个参数，对应定义的三个属性。
最后一个方法的作用是将封装后的SOAP类型的xml对象转换成NSString。

然后是实现：SOAPMessage.m

#import "SOAPMessage.h"@interface SOAPMessage ()- (NSString *) generateMethod;- (NSString *) generateParams:(NSDictionary *)dict;@end@implementation SOAPMessage- (SOAPMessage *)initWithNameSpace:(NSString *)nameSpace withMethodName:(NSString *)methodName withParams:(NSDictionary *)params {    if(self =[super init]) {        self.nameSpace = nameSpace;        self.methodName = methodName;        self.params = params;    }    return self;}- (NSString *)getSoapMessage {    NSString *soapMsg = [NSString stringWithFormat:                         @"<?xml version=\"1.0\" encoding=\"utf-8\"?>"                         "<soap12:Envelope "                         "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "                         "xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" "                         "xmlns:soap12=\"http://www.w3.org/2003/05/soap-envelope\">"                         "<soap12:Body>"                         "%@"                         //"<say xmlns=\"http://service.core.soft.com\">"                         //"<name>%@</name>"                         //"</say>"                         //"<getSupportCity xmlns=\"http://WebXml.com.cn/\">"                         //"<byProvinceName>%@</byProvinceName>"                         //"</getSupportCity>"                         "</soap12:Body>"                         "</soap12:Envelope>", [self generateMethod]];    return soapMsg;}- (NSString *) generateMethod {    NSString *result = [[NSString alloc] initWithFormat:@"<%@ xmlns=\"%@\">%@</%@>",                       [self methodName],                       [self nameSpace],                       [self generateParams:[self params]],                       [self methodName]];    return result;}- (NSString *) generateParams:(NSDictionary *)dic {    NSMutableString *params = [NSMutableString string];    for (id key in [dic allKeys]) {        NSString *param = @"<%@>%@</%@>";        NSString *p = [[NSString alloc]initWithFormat:param, key, [dic objectForKey:key], key];        [params appendString:p];    }    return params;}@end

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