iOS 中集成百度echarts3.0

突然项目中要用到图表，所以就用了百度的echarts，然后就是网上搜了一下，由于本人的JS不是很熟悉，但是研究了一下还是做出来了，其实也不是很难
最后做的效果大概如下图这种，由于界面上没调整，所以粗糙了一点
不多说前端的代码如下

<!DOCTYPE html>

<html>

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no" />

    <title>ECharts</title>

    <!-- 引入 echarts.js -->

    <script src="echarts.js"></script>

    <script type="text/javascript" language="javascript">

        var title = "";

        var subtext = "";

        var legendData;

        var xAxisData;

        var valueDate;

        var valueDateA;

        var valueDateB;

        var valueDateC;

        var subType;

        var series;

        var myChart = null;

        var option;

        function setLegendData(legendDat) {

            legendData = legendDat;

        }

        function  setXAxisData(xAxisDat

                               ){

            xAxisData = xAxisDat;

        }

        function setValueDate(valueDat){

            valueDate = valueDat;

        }

        function setValueDateA(valuedatA){

            valueDateA = valuedatA;

        }

        function setValueDateB(valuedatB){

            valueDateB = valuedatB;

        }

        function setValueDateC(valuedatC){

            valueDateC = valuedatC;

        }

    function setSubType(type) {

        if(type == "I"){

            legendData = new Array('A相电流','B相电流','C相电流');

            series = [{

                      name:legendData[0],

                      type:'line',

                      data:valueDateA

                      },

                      {

                      name:legendData[1],

                      type:'line',

                      data:valueDateB

                      },

                      {

                      name:legendData[2],

                      type:'line',

                      data:valueDateC

                      },

                      ];

                      title = "电流曲线";

                      subtext = "单位（A）"

        }else if(type == "U"){

            legendData = new Array('A相电压','B相电压','C相电压');

            series = [{

                      name:legendData[0],

                      type:'line',

                      data:valueDateA

                      },

                      {

                      name:legendData[1],

                      type:'line',

                      data:valueDateB

                      },

                      {

                      name:legendData[2],

                      type:'line',

                      data:valueDateC

                      },

                      ];

                      title = "电压曲线";

                      subtext = "单位（V）"

        }else if(type == "P"){

            legendData = new Array('总有功功率','A相有功功率','B相有功功率','C相有功功率');

            series = [{

                      name:legendData[0],

                      type:'line',

                      data:valueDate

                      },

                      {

                      name:legendData[1],

                      type:'line',

                      data:valueDateA

                      },

                      {

                      name:legendData[2],

                      type:'line',

                      data:valueDateB

                      },

                      {

                      name:legendData[3],

                      type:'line',

                      data:valueDateC

                      }

                      ];

                      title = "有功功率曲线";

                      subtext = "单位（kW）"

        }else if(type == "Q"){

            legendData = new Array('总无功功率','A相无功功率','B相无功功率','C相无功功率');

            series = [{

                      name:legendData[0],

                      type:'line',

                      data:valueDate

                      },

                      {

                      name:legendData[1],

                      type:'line',

                      data:valueDateA

                      },

                      {

                      name:legendData[2],

                      type:'line',

                      data:valueDateB

                      },

                      {

                      name:legendData[3],

                      type:'line',

                      data:valueDateC

                      }

                      ];

                      title = "无功功率曲线";

                      subtext = "单位（kVar）"

        }else if(type == "S"){

            legendData = new Array('总视在功率','A相视在功率','B相视在功率','C相视在功率');

            series = [{

                      name:legendData[0],

                      type:'line',

                      data:valueDate

                      },

                      {

                      name:legendData[1],

                      type:'line',

                      data:valueDateA

                      },

                      {

                      name:legendData[2],

                      type:'line',

                      data:valueDateB

                      },

                      {

                      name:legendData[3],

                      type:'line',

                      data:valueDateC

                      }

                      ];

                      title = "视在功率曲线";

                      subtext = "单位（kW）"

        }else if(type == "cos"){

            legendData = new Array('总功率因数','A相功率因数','B相功率因数','C相功率因数');

            series = [{

                      name:legendData[0],

                      type:'line',

                      data:valueDate

                      },

                      {

                      name:legendData[1],

                      type:'line',

                      data:valueDateA

                      },

                      {

                      name:legendData[2],

                      type:'line',

                      data:valueDateB

                      },

                      {

                      name:legendData[3],

                      type:'line',

                      data:valueDateC

                      }

                      ];

                      title = "视在功率曲线";

        }

    }

    function update() {

        // 指定图表的配置项和数据

         option = {

            title: {

                //            text: title,

                subtext:subtext

            },

            toolbox: {

                show: true,

                feature: {

                    dataZoom: {

                        yAxisIndex: 'none'

                    },

                }

            },

            tooltip: {

                trigger: 'axis'

            },

            legend: {

                data:legendData

            },

            xAxis:  {

                type: 'category',

                boundaryGap: false,

                data: xAxisData

            },

            yAxis: {

                type: 'value',

                axisLabel: {

                    formatter: '{value}'

                }

            },

            series: series

        };

         myChart = echarts.init(document.getElementById('main'));

         myChart.setOption(option);

    }

    </script>

</head>

<body>

<div id="main" style="width: 100%;height:230px;"></div>

<script type="text/javascript" language="javascript">

</script>

</body>

</html>

json 文件代码如下

{

    "status": "",

    "message": "成功",

    "data": [

        {

            "p": "",

            "qb": "",

            "q": "",

            "qc": "",

            "ia": "",

            "fixTimeDate": "",

            "s": "",

            "cosb": "",

            "cos": "",

            "ib": "",

            "ua": "",

            "ub": "",

            "ic": "",

            "devId": "8a3ae71e5ac56347015ac6520afd0002",

            "uc": "",

            "id": "418A48AEDFAA4236854388B4F38D41F6",

            "pa": "",

            "recTime": "",

            "sa": "",

            "cosc": "",

            "pb": "",

            "sb": "",

            "pc": "",

            "sc": "",

            "cosa": "",

            "qa": ""

        },

        {

            "p": "",

            "qb": "",

            "q": "",

            "qc": "",

            "ia": "",

            "fixTimeDate": "",

            "s": "",

            "cosb": "",

            "cos": "",

            "ib": "",

            "ua": "",

            "ub": "",

            "ic": "",

            "devId": "8a3ae71e5ac56347015ac6520afd0002",

            "uc": "",

            "id": "418A48AEDFAA4236854388B4F38D41F6",

            "pa": "",

            "recTime": "",

            "sa": "",

            "cosc": "",

            "pb": "",

            "sb": "",

            "pc": "",

            "sc": "",

            "cosa": "",

            "qa": ""

        },

        {

            "p": "",

            "qb": "",

            "q": "",

            "qc": "",

            "ia": "",

            "fixTimeDate": "",

            "s": "",

            "cosb": "",

            "cos": "",

            "ib": "",

            "ua": "",

            "ub": "",

            "ic": "",

            "devId": "8a3ae71e5ac56347015ac6520afd0002",

            "uc": "",

            "id": "418A48AEDFAA4236854388B4F38D41F6",

            "pa": "",

            "recTime": "",

            "sa": "",

            "cosc": "",

            "pb": "",

            "sb": "",

            "pc": "",

            "sc": "",

            "cosa": "",

            "qa": ""

        },

        {

            "p": "",

            "qb": "",

            "q": "",

            "qc": "",

            "ia": "",

            "fixTimeDate": "",

            "s": "",

            "cosb": "",

            "cos": "",

            "ib": "",

            "ua": "",

            "ub": "",

            "ic": "",

            "devId": "8a3ae71e5ac56347015ac6520afd0002",

            "uc": "",

            "id": "418A48AEDFAA4236854388B4F38D41F6",

            "pa": "",

            "recTime": "",

            "sa": "",

            "cosc": "",

            "pb": "",

            "sb": "",

            "pc": "",

            "sc": "",

            "cosa": "",

            "qa": ""

        }

    ]

}

这里做的只是一个测试项目，所以json 里面的数据都是一样的

控制器中设立了一个表格然后读取本地的数据

#import "ViewController.h"

#import "HistoryDateCell.h"

#import "HistoryDateModel.h"

#import "MJExtension.h"

@interface ViewController ()<UITableViewDelegate,UITableViewDataSource>

/** 表格 */

@property(strong,nonatomic) UITableView *tableView;

@property(strong,nonatomic) NSArray *historyArray;

@end

@implementation ViewController

static NSString *HistoryDateCellID = @"HistoryDateCellId";

- (void)viewDidLoad {

    [super viewDidLoad];

    [self setupTableView];

    [self initJson];

}

#pragma mark - JSON 解析

-(void)initJson{

    NSString *filePath = [[NSBundle mainBundle] pathForResource:@"test" ofType:@"json"];

    NSData *jdata = [[NSData alloc]initWithContentsOfFile:filePath];

    NSDictionary *hisDict = [NSJSONSerialization JSONObjectWithData:jdata options:kNilOptions error:nil];

    self.historyArray = [HistoryDateModel mj_objectArrayWithKeyValuesArray:hisDict[@"data"]];

}

#pragma mark - 设置表格

-(void)setupTableView{

    self.tableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain];

    for (UIView *subView in self.tableView.subviews) {

        if ([subView isKindOfClass:[UIScrollView class]]) {

            ((UIScrollView *)subView).delaysContentTouches = NO;

        }

    }

    self.tableView.delaysContentTouches = NO;

    self.tableView.delegate = self;

    self.tableView.dataSource = self;

    [self.tableView registerNib:[UINib nibWithNibName:NSStringFromClass([HistoryDateCell class]) bundle:nil] forCellReuseIdentifier:HistoryDateCellID];

    [self.view addSubview:self.tableView];

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{

    return ;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{

    HistoryDateCell *cell = [tableView dequeueReusableCellWithIdentifier:HistoryDateCellID];

    cell.historyDate = self.historyArray;

    cell.selectionStyle = UITableViewCellSelectionStyleNone;

    return cell;

}

-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{

    return ;

}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{

    [tableView deselectRowAtIndexPath:indexPath animated:YES];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end

然后话折线图的代码都放在自定义cell 的代码里面，具体如下，我这里是对传入的参数进行了分类真正测试的话不会有这个复杂，并且我用的是wkwebview，这个的内存泄露没UIwebview那么严重，所以就用了这个

#import "HistoryDateCell.h"

#import "HistoryDateModel.h"

#import <WebKit/WebKit.h>

#import "TimeTools.h"

#define BTN_BACKCOLOR JdryRGBColorAlpha(25, 180, 212, 0.2)

#define SELECTBTN_BACKCOLOR JdryColorFromHex(0xFFFFFF)

/* 颜色进行宏定义 */

#define JdryColorFromHex(s)  [UIColor colorWithRed:(((s & 0xFF0000) >> 16))/255.0 green:(((s &0xFF00) >>8))/255.0 blue:((s &0xFF))/255.0 alpha:1.0]

#define JdryRGBColor(r,g,b) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1.0]

#define JdryRGBColorAlpha(r,g,b,a) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:a];

#define BACK_COLOR JdryColorFromHex(0xE8F0F2)

#define BLUE_COLOR JdryColorFromHex(0x19B5D4)

#define RED_COLOR JdryColorFromHex(0xF95656)

/* 获取设备屏幕的大小 */

#define JdryScreeWidth [UIScreen mainScreen].bounds.size.width

#define JdryScreeHeight [UIScreen mainScreen].bounds.size.height

#define JdryScreeBounds [UIScreen mainScreen].bounds

@interface HistoryDateCell ()<WKNavigationDelegate>

@property (weak, nonatomic) IBOutlet UIButton *dayBtn;

@property (weak, nonatomic) IBOutlet UIButton *monthBtn;

@property (weak, nonatomic) IBOutlet UIButton *yearBtn;

/** echart */

@property(strong,nonatomic) WKWebView *wkWebView;

/** xAxisData */

@property(strong,nonatomic) NSString *xAxisData;

/** 总 */

@property(strong,nonatomic) NSMutableString *valueDat;

/** A */

@property(strong,nonatomic) NSMutableString *valueDatA;

/** B */

@property(strong,nonatomic) NSMutableString *valueDatB;

/** C */

@property(strong,nonatomic) NSMutableString *valueDatC;

/** X轴 */

@property(strong,nonatomic) NSMutableString *xAxis;

@end

@implementation HistoryDateCell

- (void)awakeFromNib {

    [super awakeFromNib];

    self.xAxis = [NSMutableString string];

    [self setEcharts:self.webContentView];

}

-(void)setHistoryDate:(NSArray *)historyDate{

    _historyDate = historyDate;

    self.subType = @"cos";

    self.timeType = @"";

    [self selectSubType:self.subType timeType:_timeType];

}

-(void)selectSubType:(NSString *)subType timeType:(NSString *)timeType{

    self.valueDat = [NSMutableString string];

    self.valueDatA = [NSMutableString string];

    self.valueDatB = [NSMutableString string];

    self.valueDatC = [NSMutableString string];

    if ([subType isEqualToString:@"I"]) {

        for (HistoryDateModel *model in _historyDate) {

            [_valueDatA appendString:[NSString stringWithFormat:@"'%@',",model.ia]];

            [_valueDatB appendString:[NSString stringWithFormat:@"'%@',",model.ib]];

            [_valueDatC appendString:[NSString stringWithFormat:@"'%@',",model.ic]];

        }

    }else if ([subType isEqualToString:@"U"]){

        for (HistoryDateModel *model in _historyDate) {

            [_valueDatA appendString:[NSString stringWithFormat:@"'%@',",model.ua]];

            [_valueDatB appendString:[NSString stringWithFormat:@"'%@',",model.ub]];

            [_valueDatC appendString:[NSString stringWithFormat:@"'%@',",model.uc]];

        }

    }else if ([subType isEqualToString:@"P"]){

        for (HistoryDateModel *model in _historyDate) {

            [_valueDat appendString:[NSString stringWithFormat:@"'%@',",model.p]];

            [_valueDatA appendString:[NSString stringWithFormat:@"'%@',",model.pa]];

            [_valueDatB appendString:[NSString stringWithFormat:@"'%@',",model.pb]];

            [_valueDatC appendString:[NSString stringWithFormat:@"'%@',",model.pc]];

        }

    }else if ([subType isEqualToString:@"Q"]){

        for (HistoryDateModel *model in _historyDate) {

            [_valueDat appendString:[NSString stringWithFormat:@"'%@',",model.q]];

            [_valueDatA appendString:[NSString stringWithFormat:@"'%@',",model.qa]];

            [_valueDatB appendString:[NSString stringWithFormat:@"'%@',",model.qb]];

            [_valueDatC appendString:[NSString stringWithFormat:@"'%@',",model.qc]];

        }

    }else if ([subType isEqualToString:@"S"]){

        for (HistoryDateModel *model in _historyDate) {

            [_valueDat appendString:[NSString stringWithFormat:@"'%@',",model.s]];

            [_valueDatA appendString:[NSString stringWithFormat:@"'%@',",model.sa]];

            [_valueDatB appendString:[NSString stringWithFormat:@"'%@',",model.sb]];

            [_valueDatC appendString:[NSString stringWithFormat:@"'%@',",model.sc]];

        }

    }else if ([subType isEqualToString:@"cos"]){

        for (HistoryDateModel *model in _historyDate) {

            [_valueDat appendString:[NSString stringWithFormat:@"'%@',",model.cos]];

            [_valueDatA appendString:[NSString stringWithFormat:@"'%@',",model.cosa]];

            [_valueDatB appendString:[NSString stringWithFormat:@"'%@',",model.cosb]];

            [_valueDatC appendString:[NSString stringWithFormat:@"'%@',",model.cosc]];

        }

    }

    for (HistoryDateModel *model in _historyDate) {

        if ([timeType isEqualToString:@""]) {

            [_xAxis appendString:[NSString stringWithFormat:@"'%@',",[TimeTools timeWithDateAndHourAndMIn:model.fixTimeDate]]];

        }else if ([timeType isEqualToString:@""]){

            [_xAxis appendString:[NSString stringWithFormat:@"'%@',",[TimeTools timeWithDayAndMonthString:model.fixTimeDate]]];

        }else if ([timeType isEqualToString:@""]){

            [_xAxis appendString:[NSString stringWithFormat:@"'%@月',",[TimeTools timeWithDateAndMonth:model.fixTimeDate]]];

        }

    }

    if (![subType isEqualToString:@"I"] && ![subType isEqualToString:@"U"]) {

        [_valueDat deleteCharactersInRange:NSMakeRange(_valueDat.length -, )];

    }

    [_valueDatA deleteCharactersInRange:NSMakeRange(_valueDatA.length -, )];

    [_valueDatB deleteCharactersInRange:NSMakeRange(_valueDatB.length -, )];

    [_valueDatC deleteCharactersInRange:NSMakeRange(_valueDatC.length -, )];

    [_xAxis deleteCharactersInRange:NSMakeRange(_xAxis.length -, )];

}

#pragma mark - 设置echarts

-(void)setEcharts:(UIView *)contentView{

    NSString *path = [[NSBundle mainBundle] pathForResource:@"HistoryData" ofType:@"html"];

    self.wkWebView = [[WKWebView alloc] initWithFrame:CGRectMake(, , JdryScreeWidth - , )];

    if(path){

        if ([[UIDevice currentDevice].systemVersion floatValue] >= 9.0) {

            NSURL *fileURL = [NSURL fileURLWithPath:path];

            [self.wkWebView loadFileURL:fileURL allowingReadAccessToURL:fileURL];

        } else {

            NSURL *fileURL = [self fileURLForBuggyWKWebView8:[NSURL fileURLWithPath:path]];

            NSURLRequest *request = [NSURLRequest requestWithURL:fileURL];

            [self.wkWebView loadRequest:request];

        }

    }

    self.wkWebView.navigationDelegate = self;

    [contentView addSubview: self.wkWebView];

}

- (NSURL *)fileURLForBuggyWKWebView8:(NSURL *)fileURL {

    NSError *error = nil;

    if (!fileURL.fileURL || ![fileURL checkResourceIsReachableAndReturnError:&error]) {

        return nil;

    }

    // Create "/temp/www" directory

    NSFileManager *fileManager= [NSFileManager defaultManager];

    NSURL *temDirURL = [[NSURL fileURLWithPath:NSTemporaryDirectory()] URLByAppendingPathComponent:@"www"];

    [fileManager createDirectoryAtURL:temDirURL withIntermediateDirectories:YES attributes:nil error:&error];

    NSURL *dstURL = [temDirURL URLByAppendingPathComponent:fileURL.lastPathComponent];

    // Now copy given file to the temp directory

    [fileManager removeItemAtURL:dstURL error:&error];

    [fileManager copyItemAtURL:fileURL toURL:dstURL error:&error];

    // Files in "/temp/www" load flawlesly :)

    return dstURL;

}

-(void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation{

    [self.wkWebView evaluateJavaScript:[NSString stringWithFormat:@"setValueDate([%@])",_valueDat] completionHandler:^(id dict, NSError * error) {

        NSLog(@"%@",error);

    }];

    [self.wkWebView evaluateJavaScript:[NSString stringWithFormat:@"setValueDateA([%@])",_valueDatA] completionHandler:^(id dict, NSError * error) {

        NSLog(@"%@",error);

    }];

    [self.wkWebView evaluateJavaScript:[NSString stringWithFormat:@"setValueDateB([%@])",_valueDatB]completionHandler:^(id dict, NSError * error) {

        NSLog(@"%@",error);

    }];

    [self.wkWebView evaluateJavaScript:[NSString stringWithFormat:@"setValueDateC([%@])",_valueDatC] completionHandler:^(id dict, NSError * error) {

        NSLog(@"%@",error);

    }];

    [self.wkWebView evaluateJavaScript:[NSString stringWithFormat:@"setXAxisData([%@])",_xAxis]

completionHandler:^(id dict, NSError * error) {

        NSLog(@"%@",error);

    }];

    [self.wkWebView evaluateJavaScript:[NSString stringWithFormat:@"setSubType('%@')",self.subType]

 completionHandler:^(id dict, NSError * error) {

        NSLog(@"%@",error);

    }];

    [self.wkWebView evaluateJavaScript:@"update()" completionHandler:^(id dict, NSError * error) {

        NSLog(@"%@",error);

    }];

}

-(void)setFrame:(CGRect)frame{

    frame.origin.y = frame.origin.y += ;

    frame.size.height = frame.size.height -= ;

    [super setFrame:frame];

}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated {

    [super setSelected:selected animated:animated];

    // Configure the view for the selected state

}

- (IBAction)selectDay:(UIButton *)sender {

    sender.backgroundColor = SELECTBTN_BACKCOLOR;

    self.monthBtn.backgroundColor = BTN_BACKCOLOR;

    self.yearBtn.backgroundColor = BTN_BACKCOLOR;

}

- (IBAction)selectMonth:(UIButton *)sender {

    sender.backgroundColor = SELECTBTN_BACKCOLOR;

    self.dayBtn.backgroundColor = BTN_BACKCOLOR;

    self.yearBtn.backgroundColor = BTN_BACKCOLOR;

}

- (IBAction)selectYear:(UIButton *)sender {

    sender.backgroundColor = SELECTBTN_BACKCOLOR;

    self.monthBtn.backgroundColor = BTN_BACKCOLOR;

    self.dayBtn.backgroundColor = BTN_BACKCOLOR;

}

@end

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